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124-714: Krnjača is located on the left bank of the Danube , across the Belgrade proper, to which it is connected only by one bridge, the Pančevo Bridge . The settlement is built behind the long embankment along the Danube, but it is still often flooded by the river. Krnjača is much scattered and stretched along two major roads in this area, the Pančevački put which connects Belgrade to the city of Pančevo and Zrenjaninski put which connects Belgrade to

248-494: A clear-felled boreal forest site in northeastern Ontario. Similar plants were potted and kept in a greenhouse. In outplanted trees, maximum stomatal conductances (g) were initially low (<0.01 cm/s), and initial base xylem pressure potentials (PSIb) were -2.0 MPa. During the growing season, g increased to about 0.20 cm/s and PSIb to -1.0 MPa. Minimum xylem pressure potential (PSIm) was initially -2.5 MPa, increasing to -2.0 MPa on day 40, and about -1.6 MPa by day 110. During

372-531: A cluster of blocks in its central part. Unlike Novi Beograd 's blocks, these are not real blocks of buildings in either architectonic or geographical form, simply named so when they were constructed as the neighborhoods didn't exist and had no previous, historical names. Blok Braća Marić is located east of the Pančevo Bridge, bordered by the Pančevački put to the north, which divides it from Blok Branko Momirov to

496-414: A dam, or changing a watercourse.  or building manmade ponds. The water source and water pumps should to be close to fields In this situation, water will need testing for pH, and testing for chemicals in the water to ensure an acceptable water quality.  Two common types of irrigation systems are drip irrigation , and overhead irrigation . Landscape Topography A good slope for a plant nursery

620-445: A desired size. Mostly the plants concerned are for gardening, forestry , or conservation biology , rather than agriculture . They include retail nurseries, which sell to the general public; wholesale nurseries, which sell only to businesses such as other nurseries and commercial gardeners ; and private nurseries, which supply the needs of institutions or private estates. Some will also work in plant breeding . A " nurseryman "

744-534: A freezer chest and cooled to some level for some specific duration; a few days after removal, seedlings were assessed for damage using various criteria, including odour, general visual appearance, and examination of cambial tissue (Ritchie 1982). Stock for fall planting must be properly hardened-off. Conifer seedlings are considered to be hardened off when the terminal buds have formed and the stem and root tissues have ceased growth. Other characteristics that in some species indicate dormancy are color and stiffness of

868-458: A greater early season resistance to water-flow through the soil–plant–atmosphere continuum (SPAC) than had containerized outplants. Resistance to water flow through the SPAC decreased in bareroot stock of both species as the season progressed, and was comparable to containerized seedlings 9 to 14 weeks after planting. Bareroot black spruce had greater new-root development than containerized stock throughout

992-695: A high-elevation planting study in southeastern British Columbia. In the larger gaps (≥1.0 ha), height increment by year 6 was ranging from 10 cm to 20 cm. Lajzerrowicz et al. Concluded that plantings of conifers in clearcuts at high elevations in the southern mountains of British Columbia are likely to be successful, even close to timberline; and group selection silvicultural systems based on gaps 0.1 ha or larger are also likely to succeed. Gaps smaller than 0.1 ha do not provide suitable conditions for obtaining adequate survival or for growth of outplanted conifers. Planting stock, "seedlings, transplants, cuttings, and occasionally wildings, for use in planting out,"

1116-511: A hypothetical Thracian * Donaris . The Proto-Indo-European root of this presumed name is related to the Iranic word " don- "/" dan- ", while the supposed suffix -aris is encountered in the ancient name of the Ialomița River , Naparis , and in the unidentified Miliare river mentioned by Jordanes in his Getica . Gábor Vékony says that this hypothesis is not plausible, because

1240-482: A major influence on field performance. The field performance among various stock types in Ontario plantations was examined by Paterson and Hutchison (1989): the white spruce stock types were 2+0, 1.5+0.5, 1.5+1.5, and 3+0. The nursery stock was grown at Midhurst Forest Tree Nursery, and carefully handled through lifting on 3 lift dates, packing, and hot-planting into cultivated weed-free loam. After 7 years, overall survival

1364-511: A minimized handling and lifting-planting cycle, a system based on specification for nursery stock and minimum morphological standards for acceptable seedlings works tolerably well. In certain circumstances, benefits often accrue from the use of large planting stock of highly ranked morphological grades. Length of leading shoot, diameter of stem, volume of root system, shoot:root ratios, and height:diameter ratios have been correlated with performance under specific site and planting conditions. However,

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1488-418: A morning heat shock increased HSP 73 in the mitochondrial but decreased it in the microsomal fraction. Heat shock increased soluble HSP 72/73 levels in both the morning and afternoon. In all instances, shoot and root heat tolerances were significantly greater in the afternoon than in the morning. Planting stock continues to respire during storage even if frozen. Temperature is the major factor controlling

1612-450: A percentage of TA was higher in field-planted white spruce than jack pine until the end of the season. The stomata of both white and black spruce were more sensitive to atmospheric evaporative demands and plant moisture stress during the first growing season after outplanting on 2 boreal sites in northern Ontario than were jack pine stomata, physiological differences that favoured growth and establishment being more in jack pine than in

1736-407: A root system to develop new roots or extend existing roots cannot be determined by eye, yet it is the factor that makes or breaks the outcome of an outplanting operation. The post-planting development of roots or root systems of coniferous planting stock is determined by many factors, some physiological, some environmental. Unsatisfactory rates of post-planting survival unrelated to the morphology of

1860-429: A salable size and either sold to other nurseries that may continue to grow the plants out in larger containers or field grow them to desired size. Propagation nurseries may also sell plant material large enough for retail sales and thus sale directly to retail nurseries or garden centers (which rarely propagated their own plants). Nurseries may produce plants for reforestation , zoos, parks, and cities. Tree nurseries in

1984-508: A short growing season, low air and soil temperatures, severe winters, and deep snow. The survival and growth of Engelmann spruce and subalpine fir outplanted in 3 silvicultural trials on such sites in gaps of various sizes were compared by Lajzerowicz et al. (2006). Survival after 5 or 6 years decreased with smaller gaps. Height and diameter also decreased with decreasing size of gap; mean heights were 50 cm to 78 cm after 6 years, in line with height expectations for Engelmann spruce in

2108-414: A specific number and size of plant, while others produce a wide range of plants that are offered for sale to other nurseries and landscapers and sold as first come first served. Retail nurseries sell plants ready to be placed in the landscape or used in homes and businesses. Propagation nurseries produce new plants from seeds, cuttings, tissue culture, grafting, or division. The plants are then grown out to

2232-417: A specific type of plant using a small area of land, or very larger operations covering many acres. They propagate plant material or buy plants from other nurseries which may include rooted or unrooted cuttings, or small rooted plants called plugs, or field ~grown bare root plants, which are planted and grown to a desired size. Some wholesale nurseries produce plants on contract for others which place an order for

2356-407: Is 1-2 degrees. Any more than 5 degrees will make the nursery susceptible to soil erosion. The nursery stock should be planted in rows running across the slopes.  If the landscape of the nursery has sections of land where erosion could occur, the nursery needs to come up with a solution such as by using erosion prevention structures like rip rap. Topography impacts nursery design and layout and it

2480-411: Is 2-year-old seedling planting stock that has not been transplanted, and Candy's (1929) white spruce 2+2+3 stock had spent 2 years in the seedbed, 2 years in transplant lines, and another 3 years in transplant lines after a second transplanting. Variations have included such self-explanatory combinations, such as 1½+1½, etc. The class of planting stock to use on a particular site is generally selected on

2604-521: Is 4,152 km (1,603 sq mi), of which 3,446 km (1,331 sq mi) are in Romania. If one includes the lagoons of Razim-Sinoe (1,015 km (392 sq mi) of which 865 km (334 sq mi) water surface), which are located south of the delta proper, but are related to it geologically and ecologically (their combined territory is part of the World Heritage Site),

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2728-414: Is a factor in strategizing what direction to plant rows.  It also impacts where windbreaks should be planted. If an area has a flat slope and is open, it will need a windbreak . Soil Conditions For a nursery to produce healthy crops, it will need to have healthy soil. The soil should have good drainage and nutrient holding capacity. Soil testing will help a nursery find out its pH levels, and also

2852-576: Is a person who owns or works in a nursery. Some nurseries specialize in certain areas, which may include: propagation and the selling of small or bare root plants to other nurseries; growing out plant materials to a saleable size, or retail sales. Nurseries may also specialize in one type of plant, e.g., groundcovers , shade plants, or rock garden plants. Some produce bulk stock, whether seedlings or grafted trees, of particular varieties for purposes such as fruit trees for orchards or timber trees for forestry. Some producers produce stock seasonally, ready in

2976-471: Is also an important source of hydropower and drinking water . The Danube river basin is home to such fish species as pike , zander , huchen , Wels catfish , burbot and tench . It is also home to numerous diverse carp and sturgeon , as well as salmon and trout . A few species of euryhaline fish, such as European seabass , mullet , and eel , inhabit the Danube Delta and the lower portion of

3100-564: Is also located in this neighborhood. Partizanski Blok is located west of the Zrenjaninski put which separates it from Blok Grga Andrijanović. It borders Blok Sutjeska and the Kalovita stream to the north, southern extension of the neighborhood of Kotež to the west and Blok Branko Momirov to the south. It is a residential area, with two important facilities: stadium of the Palilulac soccer club in

3224-515: Is always subject to a variety of conditions that are never optimal in toto . The effect of sub-optimal conditions is to induce stress in the plants. The nursery manager aims, and is normally able to avoid stresses greater than moderate, i.e., restricting stresses to levels that can be tolerated by the plants without incurring serious damage. The adoption of nursery regimes to equip planting stock with characteristics conferring increased ability to withstand outplanting stresses, by managing stress levels in

3348-612: Is divided into three main parts, separated by "gates" where the river is forced to cut through mountainous sections: Mean annual discharge on the hydrological stations (period from 2000 to 2023); 1 - Reni , Isaccea ; 2 - Silistra ; 3 - Pristol ; 4 - Batina , Bezdan ; 5 - Nagymaros , Szob ; 6 - Bratislava , Wolfsthal ; 7 - Untergriesbach Multiannual average, minimum and maximum discharge (water period from 1876 to 2010) Simulated water and suspended sediment results from climate-driven decadal study (with STD through specific decade): P – Simulated average precipitation in

3472-588: Is estimated that the Danube upper course will one day disappear entirely in favor of the Rhine, an event called stream capturing . The hydrological parameters of Danube are regularly monitored in Croatia at Batina , Dalj , Vukovar and Ilok . The Danube basin was the site of some of the earliest human cultures. The Danubian Neolithic cultures include the Linear Pottery cultures of the mid-Danube basin. Many sites of

3596-515: Is grown under many diverse nursery culture regimes, in facilities ranging from sophisticated computerized greenhouses to open compounds. Types of stock include bareroot seedlings and transplants, and various kinds of containerized stock. For simplicity, both container-grown and bareroot stock are generally referred to as seedlings, and transplants are nursery stock that have been lifted and transplanted into another nursery bed, usually at wider spacing. The size and physiological character of stock vary with

3720-461: Is likely to be well founded. The physiological qualities of planting stock are hidden from the eye and must be revealed by testing. The potential for survival and growth of a batch of planting stock may be estimated from various features, morphological and physiological, of the stock or a sample thereof. The size and shape and general appearance of a seedling can nevertheless give useful indications of PSPP. In low-stress outplanting situations, and with

3844-408: Is notorious for not having any social infrastructure (clinics, post offices, schools, kindergartens, etc.). Blok Branko Momirov is located west of the Pančevo Bridge. The Zrenjaninski put makes its eastern border, separating it from Blok Braća Marić and Blok Grga Andrijanović. To the north it borders Partizanski Blok, while weekend-settlement of Mika Alas is located to the southwest. Southern border of

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3968-479: Is nursery stock that has been made ready for outplanting. The amount of seed used in white spruce seedling production and direct seeding varies with method. A working definition of planting stock quality was accepted at the 1979 IUFRO Workshop on Techniques for Evaluating Planting Stock Quality in New Zealand: "The quality of planting stock is the degree to which that stock realizes the objectives of management (to

4092-948: Is planted, undergoes any substantive physiological or physical change. In its present form, RGC testing is silviculturally useful chiefly as a means of detecting planting stock that, while visually unimpaired, is moribund. Seedling moisture content can be increased or decreased in storage, depending on various factors including especially the type of container and the kind and amount of moisture-retaining material present. When seedlings exceed 20 bars PMS in storage, survival after outplanting becomes problematical. The Relative Moisture Content of stock lifted during dry conditions can be increased gradually when stored in appropriate conditions. White spruce (3+0) packed in Kraft bags in northern Ontario increased RMC by 20% to 36% within 40 days. Bareroot 1.5+1.5 white spruce were taken from cold storage and planted early in May on

4216-780: Is reflected by changes in root activity. This is helpful in determining the readiness of stock for lifting and storing and also for outplanting after storage. Navratil (1982) reported a virtually perfect (R² = 0.99) linear relationship in the frequency of 3+0 white spruce white root tips longer than 10 mm with time in the fall at Pine Ridge Forest Nursery, Alberta, decreasing during a 3-week period to zero on October 13 in 1982.Root regenerating research with white spruce in Canada (Hambly 1973, Day and MacGillivray 1975, Day and Breunig 1997) followed similar lines to that of Stone's (1955) pioneering work in California. Simpson and Ritchie (1997) debated

4340-756: Is the second-longest river in Europe , after the Volga in Russia . It flows through Central and Southeastern Europe , from the Black Forest south into the Black Sea . A large and historically important river, it was once a frontier of the Roman Empire . In the 21st century, it connects ten European countries, running through their territories or marking a border. Originating in Germany ,

4464-653: Is to implement the Danube River Protection Convention by promoting and coordinating sustainable and equitable water management, including conservation, improvement, and rational use of waters and the implementation of the EU Water Framework Directive and the Danube Strategy . The Danube Commission is concerned with the maintenance and improvement of the river's navigation conditions. It was established in 1948 by seven countries bordering

4588-672: The Argonautica by Apollonius Rhodos (Argon. IV. 282). At the end of the Okeanos Potamos , is the holy island of Alba (Leuke, Pytho Nisi, Isle of Snakes ), sacred to the Pelasgian (and later, Greek) Apollo, greeting the sun rising in the east. Hecateus Abderitas refers to Apollo's island from the region of the Hyperboreans, in the Okeanos. It was on Leuke, in one version of his legend, that

4712-459: The Black Sea via the Danube Delta in Romania and Ukraine . Once a long-standing frontier of the Roman Empire , the river passes through or touches the borders of 10 countries. Its drainage basin extends into nine more (ten if Kosovo is included). In addition to the bordering countries (see above), the drainage basin includes parts of nine more countries: Bosnia and Herzegovina (4.6% of

4836-559: The Bystroye Canal . In 2022, there was a major heat wave in Europe. As a result, there was less water flowing in the rivers. As the water level decreased, a number of ship wrecks from World War II emerged in the Danube River. Many of the ships were from Nazi Germany 's Black Sea Fleet and had been scuttled to stop them from falling into enemy hands. The International Commission for

4960-682: The Danubian Limes was the northeastern border of the Empire, with occasional interruptions such as the fall of the Danubian Limes in 259. The crossing of the Danube into Dacia was achieved by the Imperium Romanum , first in two battles in 102 and then in 106 after the construction of a bridge in 101 near the garrison town of Drobeta at the Iron Gate. This victory over Dacia under Decebalus enabled

5084-642: The Habsburg monarchy , Polish–Lithuanian Commonwealth , and Russian Empire for controlling the Danube ( Tuna in Turkish ), which became the northern border of the Ottoman Empire for centuries. Many of the Ottoman–Hungarian Wars (1366–1526) and Ottoman–Habsburg wars (1526–1791) were fought along the river. Nursery (horticulture) A nursery is a place where plants are propagated and grown to

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5208-620: The PIE * isro- , * sreu 'to flow'. In the Middle Ages, the Greek Tiras was borrowed into Italian as Tyrlo and into Turkic languages as Tyrla ; the latter was further borrowed into Romanian as a regionalism ( Turlă ). The Thraco- Phrygian name was Matoas , "the bringer of luck". The Middle Mongolian name for the Danube was transliterated as Tho-na in 1829 by Jean-Pierre Abel-Rémusat . The modern languages spoken in

5332-437: The 1971 census, the last one which recorded Krnjača as a separate settlement, the population was 11,834. According to the 2002 census, population of the area which made Krnjača before 1970s is 23,509 ( Dunavski Venac 13,414, Reva 2,808 and Kotež 7,287). During the 1717-1739 Austrian occupation of northern Serbia , when both banks of the Danube were Austrian, a massive process of construction works in Belgrade began. The goal

5456-752: The Danube basin all use names derived from the Latin name Danubius : Danube is an Old European river name derived from the Celtic ' danu ' or ' don ' (both Celtic gods), which itself derived from the Proto-Indo-European * deh₂nu . Other European river names from the same root include the Dunaj, Dzvina/ Daugava , Don , Donets , Dnieper , Dniestr , Dysna and Tana/Deatnu . In Rigvedic Sanskrit , danu (दनु) means "fluid, dewdrop" and danuja (दनु-ज) means "born from danu " or "born from dew-drops". In Avestan ,

5580-431: The Danube basin; T – Simulated average temperature in the Danube basin; Q – Simulated average discharge in the Danube River at delta; S – Simulated sediment load in the Danube River at delta ; Historical average flow to the present day; Measured and reconstructed average water flows from 1742. The reconstructed and observed streamflow (Q – m /s) at Ceatal Izmail for the 1742 to 2022: The land drained by

5704-1035: The Danube extends into many other countries. Many Danubian tributaries are important rivers in their own right, navigable by barges and other shallow-draught boats. From its source to its outlet into the Black Sea, its main tributaries are (as they enter): 18. Tisza (entering near Titel ) 19. Sava (entering at Belgrade ) 20. Timiș (river) (entering at Pančevo ) 21. Great Morava (entering near Smederevo ) 22. Mlava (entering near Kostolac ) 23. Karaš (entering near Banatska Palanka ) 24. Jiu (entering at Bechet ) 25. Iskar (entering near Gigen ) 26. Olt (entering at Turnu Măgurele ) 27. Osam (entering near Nikopol, Bulgaria ) 28. Yantra (entering near Svishtov ) 29. Argeș (entering at Oltenița ) 30. Ialomița 31. Siret (entering near Galați ) 32. Prut (entering near Galați ) The Danube flows through many cities, including four national capitals (shown below in bold), more than any other river in

5828-559: The Danube flows southeast for 2,850 km (1,770 mi), passing through or bordering Austria , Slovakia , Hungary , Croatia , Serbia , Romania , Bulgaria , Moldova , and Ukraine . Among the many cities on the river are four national capitals: Vienna , Bratislava , Budapest , and Belgrade . Its drainage basin amounts to 817,000 km (315,000 sq mi) and extends into nine more countries. The Danube's longest headstream Breg rises in Furtwangen im Schwarzwald , while

5952-627: The Danube was variously known as Danubius , Danuvius , Ister or Hister . The Latin name is masculine, as are all its Slavic names, except Slovene (the name of the Rhine is also masculine in Latin, most of the Slavic languages, as well as in German). The German Donau ( Early Modern German Donaw , Tonaw , Middle High German Tuonowe ) is feminine, as it has been re-interpreted as containing

6076-591: The Danube's, today subsurface rivers carry much water from the Danube to the Rhine. On many days in the summer, when the Danube carries little water, it completely oozes away noisily into these underground channels at two locations in the Swabian Alb, which are referred to as the Donauversickerung ( Danube Sink ). Most of this water resurfaces only 12 km (7.5 mi) south at the Aachtopf , Germany's wellspring with

6200-512: The Danube. Today the Commission include riparian and non-riparian states. Although the headwaters of the Danube are relatively small today, geologically, the Danube is much older than the Rhine , with which its catchment area competes in today's southern Germany. This has a few interesting geological complications. Since the Rhine is the only river rising in the Alps mountains which flows north towards

6324-680: The Greeks borrowed the Istros form from the native Thracians. He proposes that the Romanian name is a loanword from a Turkic language ( Cuman or Pecheneg ). Classified as an international waterway , it originates in the town of Donaueschingen , in the Black Forest of Germany , at the confluence of the rivers Brigach and Breg . The Danube then flows southeast for about 2,730 km (1,700 mi), passing through four capital cities ( Vienna , Bratislava , Budapest , and Belgrade ) before emptying into

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6448-702: The North Sea, an invisible line beginning at Piz Lunghin divides large parts of southern Germany, which is sometimes referred to as the European Watershed . Before the last ice age in the Pleistocene , the Rhine started at the southwestern tip of the Black Forest, while the waters from the Alps that today feed the Rhine were carried east by the so-called Urdonau (original Danube). Parts of this ancient river's bed, which

6572-590: The Protection of the Danube River (ICPDR) is an organization that consists of 14 member states (Germany, Austria, the Czech Republic, Slovakia, Slovenia, Hungary, Croatia, Bosnia and Herzegovina, Serbia, Bulgaria, Romania, Moldova, Montenegro, and Ukraine) and the European Union . The commission, established in 1998, deals with the whole Danube river basin, which includes tributaries and groundwater resources. Its goal

6696-626: The Province of Dacia to be created, but in 271 it was abandoned by emperor Aurelian . Avars used the river as their southeastern border in the 6th century. Part of the rivers Danubius or Istros was also known as (together with the Black Sea) the Okeanos in ancient times, being called the Okeanos Potamos (Okeanos River). The lower Danube was also called the Keras Okeanoio (Gulf or Horn of Okeanos) in

6820-680: The Serbian and the Romanian stretches of the Danube. However, the transgressions may not be considered acts of piracy, as defined according to the United Nations Convention on the Law of the Sea , but rather instances of "river robbery". On the other hand, media reports say the crews on transport ships often steal and sell their own cargo and then blame the plundering on "pirates", and the alleged attacks are not piracy but small-time contraband theft along

6944-458: The U.S. produce around 1.3 billion seedlings per year for reforestation projects. Nurseries grow plants in open fields, on container fields, in tunnels or greenhouses. In open fields, nurseries grow decorative trees, shrubs and herbaceous perennials. On a containerfield nurseries grow small trees, shrubs and herbaceous plants, usually destined for sales in garden centers. These have proper ventilation, sunlight etc. Plants may be grown by seeds, but

7068-465: The Zrenjaninski put and Blok Branko Momirov and Partizanski Blok. As a central section of Krnjača it has the most developed infrastructure: an elementary school and Secondary agricultural school, a clinic, two churches, nursery garden, OMV gas station, stadium of the Bratstvo soccer team, etc. Blok Sava Kovačević borders the Kalovita stream and Blok Grga Andrijanović to the south, Blok Zaga Malivuk to

7192-484: The abundance of HSPs depending on protein fraction and time of day. Without heat shock, nuclear membrane-bound HSP 73 was absent from plants in the morning and only weakly present in the afternoon, and heat shock increased the abundance of nuclear membrane. Heat shock also affected the abundance of HSP 73 in the afternoon, and caused HSP 73 to appear in the morning. In the mitochondrial and microsomal protein fractions, an afternoon heat shock reduced HSP 73 , whereas

7316-433: The amounts of nutrients in the soil. To test soil drainage, one method is to dig an 18" deep hole that is at least 4" in diameter. Fill the hole with water, and leave it for an hour. This will allow the soil to saturate. Next, fill the hole with water again but leave the top 2" of soil in the hole without water. Wait an hour then return to the hole with a measurement tool like a ruler to find out how much water has drained from

7440-603: The basin area), the Czech Republic (2.9%), Slovenia (2.0%), Montenegro (0.9%), Switzerland (0.2%), Italy (<0.15%), Poland (<0.1%), North Macedonia (<0.1%) and Albania (<0.1%). The total drainage basin is 801,463 km (309,447 sq mi) in area, and is home to 83 million people. The highest point of the drainage basin is the summit of Piz Bernina at the Italy–Switzerland border , at 4,049 m (13,284 ft). The Danube River Basin

7564-607: The basis of historical record of survival, growth, and total cost of surviving trees. In the Lake States, Kittredge concluded that good stock of 2+1 white spruce was the smallest size likely to succeed and was better than larger and more expensive stock when judged by final cost of surviving trees. Because age alone is an inadequate descriptor of planting stock, various codes have been developed to describe such components of stock characteristics as height, stem diameter, and shoot:root ratio. A description code may include an indication of

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7688-585: The city of Zrenjanin . Krnjača is bordered by the Danube to the south, the Jojkićev Dunavac canal to the west and the Mokri Sebeš canal and the Veliko Blato bog to the north and east. The Kalovita canal flows through the middle of the neighborhood. Through Dunavski Venac , Krnjača makes an urban connection to Borča on the north and through Reva on the east, it stretches all the way to Pančevo. By

7812-399: The concept that larger is better negates the underlying complexities. Schmidt-Vogt (1980), for instance, found that whereas mortality among large outplants is greater than among small in the year of planting, mortality in subsequent growing seasons is higher among small outplants than among large. Much of the literature on comparative seedling performance is clouded by uncertainty as to whether

7936-600: The construction were conducted. First mention of the name Krnjača, as part of the Borča village's area, dates back from 1823. Settlement is much younger and originally was known as Nova Borča ( New Borča ). Between the two World wars it was still part of Borča under the name of Rit-Krnjača ( Marsh -Krnjača ). After 1945, Krnjača split as a separate village and became seat of its own municipality on May 30, 1952. In 1955, with new territorial reorganization, neighboring municipalities of Borča, Ovča and Padinska Skela were annexed to

8060-536: The distance to the Black Sea by 400 km (250 mi); the Rhine–Main–Danube Canal is about 171 km (106 mi), finished in 1992, linking the North Sea to the Black Sea. A Danube-Aegean canal has been proposed. Danube River cruise for sightseeing is popular, especially between Passau , Germany, to Budapest , Hungary. In 2010–12, shipping companies, especially from Ukraine, claimed that their vessels suffered from "regular pirate attacks " on

8184-487: The diurnal variability in heat tolerance of roots and shoots in black spruce seedlings 14 to 16 weeks old found in all 4 trials that shoot heat tolerance was significantly greater in the afternoon than in the morning. The trend in root heat tolerance was similar to that found in the shoots; root systems exposed to 47 °C for 15 minutes in the afternoon averaged 75 new roots after a 2-week growth period, whereas only 28 new roots developed in root systems similarly exposed in

8308-425: The electrical conductivity of which depends on the degree to which cell membranes have been ruptured by freezing releasing electrolyte. A −15 °C frost hardiness level has been used to determine the readiness of container stock to be moved outside from the greenhouse, and −40 °C has been the level determining readiness for frozen storage (Colombo 1997). In an earlier technique, potted seedlings were placed in

8432-399: The end of the rotation or achievement of specified sought benefits) at minimum cost. Quality is fitness for purpose." Clear expression of objectives is therefore prerequisite to any determination of planting stock quality. Not only does performance have to be determined, but performance has to be rated against the objectives of management. Planting stock is produced in order to give effect to

8556-597: The entire town of Pančevo, just across the Timiș. In November 2007 plans for construction of the Krnjača port were announced. It is supposed to be an international freight port, downstream from the Pančevo Bridge . It is projected to occupy 434 hectares , with additional 170 hectares for approaching railroad and roads, hangars, depots, etc. It should be completely finished by 2030. Danube The Danube ( / ˈ d æ n . j uː b / DAN -yoob ; see also other names )

8680-406: The extreme east, the Zrenjaninski put and Blok Sutjeska to the west and the Veliko Blato bog to the north. It is the smallest of all blocks, a thin patch of land stretched between the Kalovita and Veliko Blato. The facilities of Belgrade's brewery of Beogradska industrija piva or BIP are located in the western part of the neighborhood, along the Zrenjaninski put. The settlement is named after

8804-400: The extreme west and new Metro megastore in the east, along the Zrenjaninski put. Sibnica is the easternmost extension, disconnected territorially from the western urbanized part of Krnjača, reaching the Timiș river. It was named after the channeled Sibnica stream, which flows into the Danube. It has three water springs, with the total of 29 individual wells, which provide drinking water for

8928-440: The first half of the growing season, PSIm was below turgor loss point. The osmotic potential at turgor loss point decreased after planting to -2.3 MPa 28 days later. In the greenhouse, minimum values of PSIT were -2.5 MPa (in the first day after planting. the maximum bulk modulus of elasticity was greater in white spruce than in similarly treated jack pine and showed greater seasonal changes. Relative water content (RWC) at turgor loss

9052-657: The forest policy of the organization. A distinction needs to be made between "planting stock quality" and "planting stock performance potential" (PSPP). The actual performance of any given batch of outplanted planting stock is determined only in part by the kind and condition, i.e., the intrinsic PSPP, of the planting stock. The PSPP is impossible to estimate reliably by eye because outward appearance, especially of stock withdrawn from refrigerated storage, can deceive even experienced foresters, who would be offended if their ability were questioned to recognize good planting stock when they saw it. Prior to Wakeley's (1954) demonstration of

9176-721: The gorge) by the Iron Gate II Hydroelectric Power Station . On 13 April 2006, a record peak discharge at Iron Gate Dam reached 15,400 m /s (540,000 cu ft/s). There are three artificial waterways built on the Danube: the Danube-Tisa-Danube Canal (DTD) in the Banat and Bačka regions ( Vojvodina , northern province of Serbia); the 64 km (40 mi) Danube-Black Sea Canal , between Cernavodă and Constanța (Romania) finished in 1984, shortens

9300-515: The growing season. The greater efficiency of water use in newly transplanted 3-year-old white spruce seedlings under low levels of absolute humidity difference in water-stressed plants immediately after planting helps explain the commonly observed favourable response of young outplants to the nursing effect of a partial canopy. Silvicultural treatments promoting higher humidity levels at the planting microsite should improve white spruce seedling photosynthesis immediately after planting. Planting stock

9424-521: The hero Achilles was buried (to this day, one of the mouths of the Danube is called Chilia). Old Romanian folk songs recount a white monastery on a white island with nine priests. Between the late 14th and late 19th centuries, the Ottoman Empire competed first with the Kingdom of Serbia , Second Bulgarian Empire , Kingdom of Hungary , Principality of Wallachia , Principality of Moldavia and later with

9548-423: The highest flow, an average of 8,500 L/s (300 cu ft/s), north of Lake Constance —thus feeding the Rhine. The European Water Divide applies only for those waters that pass beyond this point, and only during the days of the year when the Danube carries enough water to survive the sinkholes in the Donauversickerung. Since such large volumes of underground water erode much of the surrounding limestone, it

9672-448: The hole. The corresponding measurements will allow the tester to decide what type of drainage capacity their soil has. If the water level drops 1/2" or less it is poor draining. If water drops 1/2" to 1", it drains at a medium rate. 1"< means that the soil drains quickly. Seedlings vary in their susceptibility to injury from frost. Damage can be catastrophic if "unhardened" seedlings are exposed to frost. Frost hardiness may be defined as

9796-558: The importance of the physiological state of planting stock in determining the ability of the stock to perform after outplanting, and to a considerable extent even afterwards, morphological appearance has generally served as the basis for estimating the quality of planting stock. Gradually, however, a realization developed that more was involved. Tucker et al. (1968), for instance, after assessing 10-year survival data from several experimental white spruce plantations in Manitoba noted that "Perhaps

9920-407: The length of growing period and with growing conditions. Until the technology of raising containerized nursery stock bourgeoned in the second half of the twentieth- century, bareroot planting stock classified by its age in years was the norm. The number of years spent in the nursery seedbed by any particular lot of planting stock is indicated by the 1st of a series of numbers. The 2nd number indicates

10044-417: The lower end of the scale are usually culled to an arbitrary limit, but, especially among bareroot stock, the range in size is commonly considerable. Dobbs (1976) and McMinn (1985a) examined how the performance of 2+0 bareroot white spruce related to differences in initial size of planting stock. The stock was regraded into large, medium, and small fractions according to fresh weight. The small fraction (20% of

10168-508: The minimum temperature at which a certain percentage of a random seedling population will survive or will sustain a given level of damage (Siminovitch 1963, Timmis and Worrall 1975). The term LT 50 (lethal temperature for 50% of a population) is commonly used. Determination of frost hardiness in Ontario is based on electrolyte leakage from mainstem terminal tips 2 cm to 3 cm long in weekly samplings (Colombo and Hickie 1987). The tips are frozen then thawed, immersed in distilled water,

10292-463: The morning. HSP 73 was detected in black spruce nuclear, mitochondrial, microsomal, and soluble protein fractions, while HSP 72 was observed only in the soluble protein fraction. Seedlings exhibited constitutive synthesis of HSP 73 at 26 °C in all except the nuclear membrane fraction in the morning; HSP levels at 26 °C in the afternoon were higher than in the morning in the mitochondrial and microsomal protein factions. Heat shock affected

10416-560: The most common method is by planting cuttings, which can be taken from shoot tips or roots. With the objective of fitting planting stock more able to withstand stresses after outplanting, various nursery treatments have been attempted or developed and applied to nursery stock. Buse and Day (1989), for instance, studied the effect of conditioning of white spruce and black spruce transplants on their morphology, physiology, and subsequent performance after outplanting. Root pruning, wrenching, and fertilization with potassium at 375 kg/ha were

10540-443: The most important point revealed here is that certain lots of transplants performed better than others", even though all transplants were handled and planted with care. The intuitive "stock that looks good must be good" is a persuasive, but potentially dangerous maxim. That greatest of teachers, Bitter Experience, has often enough demonstrated the fallibility of such assessment, even though the corollary "stock that looks bad must be bad"

10664-572: The municipality of Krnjača. In turn, in 1965 municipality of Krnjača was abolished and annexed to the municipality of Paliula. A movement for separating area of the former municipality from Paliula has been vocal in the last 10 years and as a result in 2005 Palilula's Municipal assembly proposed to the Belgrade City assembly to allow the formation of the new municipality of Dunavski Venac . Being scattered, Krnjača has many sub-neighborhoods, like Dunavski Venac , Reva , Kotež , Kožara , Mika Alas and

10788-457: The needles, but these are not apparent in white spruce. Whether in the forest or in the nursery, seedling growth is fundamentally influenced by soil fertility , but nursery soil fertility is readily amenable to amelioration, much more so than is forest soil. Nitrogen , phosphorus , and potassium are regularly supplied as fertilizers, and calcium and magnesium are supplied occasionally. Applications of fertilizer nitrogen do not build up in

10912-461: The neighborhood is the embankment on the Danube. It is almost entirely residential area with large nursery garden ( Rasadnik: Reva 2 ). Blok Grga Andrijanović is located in the central part of Krnjača. On the north it borders the Kalovita stream and Blok Sava Kovačević, on the east the Belgrade-Pančevo and Blok Zaga Malivuk, on the south the Pančevački put and Blok Braća Marić and on the west

11036-485: The north and east, Belgrade-Pančevo railway and Blok Grga Andrijanović to the west and the Pančevački put (and Blok Braća Marić and the bog and neighborhood of Reva) to the south. It is the most industrialized part of Krnjača as here begins the series of factories, hangars, workshops and storehouses which stretch all the way to Pančevo. The main facilities are: Janko Lisjak , Progres , Politika ' s printing-house, Balkan , Dom , IMK Beograd , etc. Krnjača railway station

11160-520: The northern barbarian Thracian and Illyrian tribes by advancing from Macedonia as far as the Danube in 336 BCE. Under the Romans, the Danube formed the border of the Empire with the tribes to the north almost from its source to its mouth. At the same time, it was a route for the transport of troops and the supply of settlements downstream. From 37 CE to the reign of the Emperor Valentinian I (364–375)

11284-413: The nursery to "condition" planting stock to increase tolerance to various post-planting environmental stresses, has become widespread, particularly with containerized stock. Outplanted stock that is unable to tolerate high temperatures occurring at soil surfaces will fail to establish on many forest sites, even in the far north. Factors affecting heat tolerance were investigated by Colombo et al. (1995);

11408-536: The original stock) had barely one-quarter of the dry matter mass of the large fraction at the time of outplanting. Ten years later, in the blade-scarified site, seedlings of the large fraction had almost 50% greater stem volume than had seedlings of the small fraction. Without site preparation, large stock were more than twice the size of small stock after 10 years. Similar results were obtained with regraded 2+1 transplants sampled to determine root growth capacity. The large stock had higher RGC as well as greater mass than

11532-433: The production and roles of heat shock proteins (HSPs) are important in this regard. HSPs, present constitutively in black spruce and many other, perhaps most, higher plants are important both for normal cell functioning and in a stress response mechanism following exposure to high, non-lethal temperature. In black spruce at least, there is an association between HSPs and increased levels of heat tolerance. Investigation of

11656-402: The proposition that root growth potential of planting stock predicts field performance; their conclusion was that root growth potential, as a surrogate for seedling vigor, can predict field performance, but only under such situations as site conditions permit. Survival after planting is only partly a function of an outplant's ability to initiate roots in test conditions; root growth capacity is not

11780-476: The rate, and care must be taken to avoid overheating. Navratil (1982) found that closed containers in cold storage averaged internal temperatures 1.5 °C to 2.0 °C above the nominal storage temperature. Depletion of reserves can be estimated from the decrease in dry weight. Cold-stored 3+0 white spruce nursery stock in northern Ontario had lost 9% to 16% of dry weight after 40 days of storage. Carbohydrates can also be determined directly. The propensity of

11904-402: The rigors of the outplant site. Nutrients in oversupply can reduce growth or the uptake of other nutrients. As well, an excess of nutrient ions can prolong or weaken growth to interfere with the necessary development of dormancy and hardening of tissues in time to withstand winter weather. Nursery stock size typically follows the normal curve when lifted for planting stock. The runts at

12028-556: The river carries its name from its source confluence in the palace park in Donaueschingen onwards. Since ancient times, the Danube has been a traditional trade route in Europe. Today, 2,415 km (1,501 mi) of its total length are navigable. The Danube is linked to the North Sea via the Rhine–Main–Danube Canal , connecting the Danube at Kelheim with the Main at Bamberg . The river

12152-515: The river has been part of a trans-European waterway from Rotterdam on the North Sea to Sulina on the Black Sea, a distance of 3,500 km (2,200 mi). In 1994 the Danube was declared one of ten Pan-European transport corridors , routes in Central and Eastern Europe that required major investment over the following ten to fifteen years. The amount of goods transported on the Danube increased to about 100 million tons in 1987. In 1999, transport on

12276-679: The river was made difficult by the NATO bombing of three bridges in Serbia during the Kosovo War . Clearance of the resulting debris was completed in 2002, and a temporary pontoon bridge that hampered navigation was removed in 2005. At the Iron Gate , the Danube flows through a gorge that forms part of the boundary between Serbia and Romania; it contains the Iron Gate I Hydroelectric Power Station dam, followed at about 60 km (37 mi) downstream (outside

12400-580: The river. The Danube Delta ( Romanian : Delta Dunării pronounced [ˈdelta ˈdunərij] ; Ukrainian : Дельта Дунаю , romanized :  Del'ta Dunayu ) is the largest river delta in the European Union . The greater part of the Danube Delta lies in Romania (Tulcea county), while its northern part, on the left bank of the Chilia arm, is situated in Ukraine (Odesa Oblast). The approximate surface

12524-630: The river. Today the river carries its name from its source confluence in Donaueschingen , Germany , to its discharge into the Black Sea via the Danube Delta in Romania and Ukraine . The river was known to the ancient Greeks as the Istros ( Ἴστρος ) from a root possibly also encountered in the ancient name of the Dniester ( Danaster in Latin, Tiras in Greek) and akin to Iranic turos 'swift' and Sanskrit iṣiras ( इषिरस् ) 'swift', from

12648-503: The river. Members include representatives from Austria, Bulgaria, Croatia, Germany, Hungary, Moldova, Slovakia, Romania, Russia, Ukraine, and Serbia; it meets regularly twice a year. It also convenes groups of experts to consider items provided for in the commission's working plans. The commission dates to the Paris Conferences of 1856 and 1921, which established for the first time an international regime to safeguard free navigation on

12772-639: The same word means "river". The Finnish word for Danube is Tonava , which is most likely derived from the name of the river in German , Donau . Its Sámi name Deatnu means "Great River". It is possible that dānu in Scythian as in Avestan was a generic word for "river": Dnieper and Dniestr , from Danapris and Danastius , are presumed to continue Scythian * dānu apara "far river" and * dānu nazdya- "near river", respectively. In Latin,

12896-401: The site. Irrigation Plants need water to grow. Water needs will vary depending on plant species, weather, and soil. An example is in Ontario, irrigation water is used most in late spring and in summer, when plants need water most, and based on climate patterns in Ontario, this time is also when there is the least amount of rainfall.  Some nurseries will create water sources by building

13020-629: The sixth-to-third millennium BCE Vinča culture (Vinča, Serbia), are sited along the Danube. The third millennium BCE Vučedol culture (from the Vučedol site near Vukovar , Croatia ) is famous for its ceramics. Darius the Great , king of Persia , crossed the river in the late 6th century BCE to invade European Scythia and to subdue the Scythians . Alexander the Great defeated the Triballian king Syrmus and

13144-485: The small stock fraction. The value of large size at the time of planting is especially apparent when outplants face strong competition from other vegetation, although high initial mass does not guarantee success. That the growth potential of planting stock depends on much more than size seems clear from the indifferent success of the transplanting of small 2+0 seedlings for use as 2+1 "reclaim" transplants. The size of bareroot white spruce seedlings and transplants also had

13268-496: The soil to develop any appreciable storehouse of available nitrogen for future crops. Phosphorus and potassium, however, can be accumulated as a storehouse available for extended periods. Fertilization permits seedling growth to continue longer through the growing season than unfertilized stock; fertilized white spruce attained twice the height of unfertilized. High fertility in the rooting medium favours shoot growth over root growth, and can produce top-heavy seedlings ill-suited to

13392-444: The sole predictor of plantation performance. Some major problems militate against greater use of RGC in forestry, including: unstandardized techniques; unstandardized quantification; uncertain correlation between quantified RGC and field performance; variability within given, nominally identical, kinds of planting stock; and the irrelevance of RGC test values determined on a sub-sample of a parent population that subsequently, before it

13516-487: The spring for export to colder regions where propagation could not have been started so early or to regions where seasonal pests prevent profitable growing early in the season. There are a number of different types of nurseries, broadly grouped as wholesale or retail nurseries, with some overlap depending on the specific operation. Wholesale nurseries produce plants in large quantities which are sold to retail nurseries Wholesale nurseries may be small operations that produce

13640-574: The spruces. With black spruce and jack pine, but not with white spruce, Grossnickle and Blake's (1987) findings warrant mention in relation to the bareroot-containerized debate. During the first growing season after outplanting, containerized seedlings of both species had greater needle conductance than bareroot seedlings over a range of absolute humidity deficits. Needle conductance of containerized seedlings of both species remained high during periods of high absolute humidity deficits and increasing plant moisture stress. Bareroot outplants of both species had

13764-435: The stock, led to attempts to test the physiological condition of planting stock, particularly to quantify the propensity to produce new root growth. New root growth can be assumed to be necessary for successful establishment of stock after planting, but although the thesis that RGC is positively related to field performance would seem to be reasonable, supporting evidence has been meager. The physiological condition of seedlings

13888-475: The stocks being compared share the same physiological condition; differences invalidate such comparisons. Height and root-collar diameter are generally accepted as the most useful morphological criteria and are often the only ones used in specifying standards. Quantification of root system morphology is difficult but can be done, e.g. by using the photometric rhizometer to determine intercept area, or volume by displacement or gravimetric methods. Planting stock

14012-415: The suffix -ouwe "wetland". Romanian differs from other surrounding languages in designating the river with a feminine term, Dunărea ( IPA: [ˈdunəre̯a] ). This form was not inherited from Latin, although Romanian is a Romance language. To explain the loss of the Latin name, scholars who suppose that Romanian developed near the large river propose that the Romanian name descends from

14136-490: The total area of the Danube Delta reaches 5,165 km (1,994 sq mi). The Danube Delta is also the best-preserved river delta in Europe, a UNESCO World Heritage Site (since 1991) and a Ramsar Site . Its lakes and marshes support 45 freshwater fish species. Its wetlands support vast flocks of migratory birds of over 300 species, including the endangered pygmy cormorant ( Phalacrocorax pygmaeus ). These are threatened by rival canalization and drainage schemes such as

14260-436: The treatments applied. Root pruning and wrenching modified stock in the nursery by decreasing height, root collar diameter, shoot:root ratio, and bud size, but did not improve survival or growth after planting. Fertilization reduced root growth in black spruce but not of white spruce. For a nursery to produce healthy crops, they must manage many factors, a few of them being irrigation, landscape topography, and soil conditions of

14384-460: The very popular Partisan World War II war hero Sava Kovačević (1905–43). Blok Sutjeska is bordered by the Zrenjaninski put on the east, which separates it from Blok Sava Kovačević, by the Kalovita stream on the south, which separates it from Partizanski Blok and the neighborhoods of Kotež and Dunavski Venac on the west and north, respectively. It is a small, residential neighborhood, built to provide urban connection of Krnjača and Kotež. It

14508-468: The west, Blok Grga Andrijanović and Blok Zaga Malivuk to the north. To the west it is bordered by the neighborhood of Reva and to the south by the embankment on the Danube and the entire area is often flooded. It is entirely a residential area, with a gas station and a motel along the Pančevački put. Even though it stretches for almost 2 km and with a population of 5,000 is the largest single neighborhood of Krnjača (almost one third of its population), it

14632-504: The world. Ordered from the source to the mouth they are: The Danube is navigable by ocean ships from the Black Sea to Brăila in Romania (the maritime river sector), and further on by river ships to Kelheim , Bavaria , Germany; smaller craft can navigate further upstream to Ulm , Württemberg , Germany. About 60 of its tributaries are also navigable. Since the completion of the German Rhine–Main–Danube Canal in 1992,

14756-406: The years subsequently spent in the transplant line, and a zero is shown if indeed there has been no transplanting. A 3rd number, if any, would indicate the years subsequently spent after a second lifting and transplanting. The numbers are sometimes separated by dashes, but separation by plus sign is more logical inasmuch as the sum of the individual numbers gives the age of the planting stock. Thus 2+0

14880-430: Was 80-87%. Available turgor (TA), defined as the integral of turgor over the range of RWC between PSIb and xylem pressure potential at the turgor loss point) was 4.0% for white spruce at the beginning of the season compared with 7.9% for jack pine, but for the rest of the season TA for jack pine was only 2%, to 3% that of white spruce. Diurnal turgor (Td), the integral of turgor over the range of RWC between PSIb and PSIm, as

15004-578: Was 97%, with no significant differences in survival among stock types. The 1.5+1.5 stock with a mean height of 234 cm was significantly taller by 18% to 25% than the other stock types. The 1.5+1.5 stock also had significantly greater dbh than the other stock types by 30-43%. The best stock type was 57 cm taller and 1 cm greater in dbh than the poorest. Lifting date had no significant effect on growth or survival. High elevation sites in British Columbia's southern mountains are characterized by

15128-520: Was much larger than today's Danube, can still be seen in (now waterless) canyons in today's landscape of the Swabian Alb . After the Upper Rhine valley had been eroded, most waters from the Alps changed their direction and began feeding the Rhine. Today's upper Danube is thus an underfit stream . Since the Swabian Alb is largely shaped of porous limestone , and since the Rhine's level is much lower than

15252-592: Was named after the Battle of Sutjeska which took place in 1943 between Partisans and the Axis forces , where Partisan leader Sava Kovačević (who also got its own block) was killed. Back-to-back neighborhoods of Sutjeska and Sava Kovačević also exist in Zemun . Blok Zaga Malivuk is the eastern part of Krnjača bordered by the Kalovita stream (and Blok Sava Kovačević) and the Sebeš river to

15376-452: Was to transform Belgrade into the Baroque city, rather than the oriental one. The task of designing the new city was given to Nicolas Doxat de Démoret. In his plans, Doxat envisioned the proper, star-shaped fortification on the location of modern Krnjača, across the Belgrade. Despite the maps printed with the existing fortification, the ramparts in the swamp were never built, though some works on

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