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作者: concession    時(shí)間: 2025-3-21 17:56
書(shū)目名稱(chēng)Growing Plantation Forests影響因子(影響力)




書(shū)目名稱(chēng)Growing Plantation Forests影響因子(影響力)學(xué)科排名




書(shū)目名稱(chēng)Growing Plantation Forests網(wǎng)絡(luò)公開(kāi)度




書(shū)目名稱(chēng)Growing Plantation Forests網(wǎng)絡(luò)公開(kāi)度學(xué)科排名




書(shū)目名稱(chēng)Growing Plantation Forests被引頻次




書(shū)目名稱(chēng)Growing Plantation Forests被引頻次學(xué)科排名




書(shū)目名稱(chēng)Growing Plantation Forests年度引用




書(shū)目名稱(chēng)Growing Plantation Forests年度引用學(xué)科排名




書(shū)目名稱(chēng)Growing Plantation Forests讀者反饋




書(shū)目名稱(chēng)Growing Plantation Forests讀者反饋學(xué)科排名





作者: 方舟    時(shí)間: 2025-3-21 20:52
Biology of Plantation Growth, trees need sunlight, carbon dioxide from the air, appropriate air and soil temperatures and water and nutrients from the soil. Tree leaves take in carbon dioxide from the air and, using energy from sunlight, convert it chemically to food to be used for the metabolic requirements of the tree. Tree b
作者: radiograph    時(shí)間: 2025-3-22 02:53

作者: TOXIC    時(shí)間: 2025-3-22 06:12
Choosing the Species and Site,h to sell, its price is too high or government restrictions prevent certain land uses. As well, rural communities may feel threatened by the establishment of large areas of plantation forests in their region; consultation with them will be necessary to determine just what land is available, consiste
作者: seroma    時(shí)間: 2025-3-22 11:24
Establishment,tion clearance, roading, drainage, building small bridges or culverts, fencing or establishing firebreaks. The next step is soil cultivation that disturbs and breaks up the soil to provide an optimum soil density and aeration for seedling root growth. Many different cultivation methods and types of
作者: 大洪水    時(shí)間: 2025-3-22 16:04

作者: 大洪水    時(shí)間: 2025-3-22 20:56
Stand Density and Initial Spacing,y by the space available into which they may grow. When they have grown large enough to reach that maximum, smaller trees will start to die as a result of competitive pressures from larger trees. The more trees that are growing on a site, the sooner will they reach the maximum density and the greate
作者: 顛簸下上    時(shí)間: 2025-3-23 00:54
Thinning,ing, the remaining trees are able to increase their photosynthetic rates so there is no loss of growth overall. Over 2–3?years, the crowns and root systems of the remaining trees expand to replace what was lost at the thinning. After thinning, new growth is distributed amongst the fewer trees that r
作者: grounded    時(shí)間: 2025-3-23 05:04
Pruning,s that are ultimately to be sawn to produce high quality timber; knots are the chief source of defect in sawn timber. Pruning often involves the removal of both live branches, that is branches with leaves still attached, and dead branches. As long as no more than about 30–50?% of the leaves on a tre
作者: 沙草紙    時(shí)間: 2025-3-23 07:19
Pests,ects or mammals. Many pests occur naturally in any plant ecosystem. It is only when the damage they cause is sufficient to threaten the viability of a plantation that they need be of practical concern. Various strategies are available to control pests including choice of the right tree species, plan
作者: 牲畜欄    時(shí)間: 2025-3-23 12:00

作者: 不如樂(lè)死去    時(shí)間: 2025-3-23 14:31
Tree Breeding,g including growth vigour, resistance to pests or diseases or wood quality. Tree breeding is based on the principles of plant genetics and these are described briefly. Over many generations of a breeding programme, a ‘breeding population’ of individual trees displaying desirable traits is identified
作者: Acumen    時(shí)間: 2025-3-23 18:46
Mixed-Species Plantations,cies plantations, increased growth rates of individual trees or the quality of their stem form, production of more than one product, reduction of the risk of damage by pests or diseases, rehabilitation of land degraded by previous activities, improved biodiversity or improved aesthetic appearance of
作者: 序曲    時(shí)間: 2025-3-24 00:44

作者: 四指套    時(shí)間: 2025-3-24 03:23
Die Ambitionen auf den deutschen Markt,g and paper. Over the last decade, plantation forest areas have increased by nearly 5 million ha per year, almost offsetting the areas of native forests that were cleared. Wood supply around the world is starting now to shift progressively from natural to planted forests. Many different hardwood and
作者: 防止    時(shí)間: 2025-3-24 06:55
https://doi.org/10.1007/978-3-662-12711-7 trees need sunlight, carbon dioxide from the air, appropriate air and soil temperatures and water and nutrients from the soil. Tree leaves take in carbon dioxide from the air and, using energy from sunlight, convert it chemically to food to be used for the metabolic requirements of the tree. Tree b
作者: Intellectual    時(shí)間: 2025-3-24 10:55

作者: Tincture    時(shí)間: 2025-3-24 17:56

作者: 消瘦    時(shí)間: 2025-3-24 20:48
https://doi.org/10.1007/978-3-662-67495-6tion clearance, roading, drainage, building small bridges or culverts, fencing or establishing firebreaks. The next step is soil cultivation that disturbs and breaks up the soil to provide an optimum soil density and aeration for seedling root growth. Many different cultivation methods and types of
作者: Legend    時(shí)間: 2025-3-24 23:22

作者: anthesis    時(shí)間: 2025-3-25 05:45
Documentation for the hfloat Library,y by the space available into which they may grow. When they have grown large enough to reach that maximum, smaller trees will start to die as a result of competitive pressures from larger trees. The more trees that are growing on a site, the sooner will they reach the maximum density and the greate
作者: 知道    時(shí)間: 2025-3-25 07:33
Quadrature of the Circle in Ancient Egypt,ing, the remaining trees are able to increase their photosynthetic rates so there is no loss of growth overall. Over 2–3?years, the crowns and root systems of the remaining trees expand to replace what was lost at the thinning. After thinning, new growth is distributed amongst the fewer trees that r
作者: Asseverate    時(shí)間: 2025-3-25 14:50
https://doi.org/10.1007/978-1-4757-2736-4s that are ultimately to be sawn to produce high quality timber; knots are the chief source of defect in sawn timber. Pruning often involves the removal of both live branches, that is branches with leaves still attached, and dead branches. As long as no more than about 30–50?% of the leaves on a tre
作者: glowing    時(shí)間: 2025-3-25 16:17
https://doi.org/10.1007/978-1-4757-4217-6ects or mammals. Many pests occur naturally in any plant ecosystem. It is only when the damage they cause is sufficient to threaten the viability of a plantation that they need be of practical concern. Various strategies are available to control pests including choice of the right tree species, plan
作者: 純樸    時(shí)間: 2025-3-25 21:15

作者: Debate    時(shí)間: 2025-3-26 02:27

作者: 釘牢    時(shí)間: 2025-3-26 07:40

作者: certain    時(shí)間: 2025-3-26 10:28

作者: semiskilled    時(shí)間: 2025-3-26 14:57
Die Ambitionen auf den deutschen Markt,fter clearing, to reduce soil salinity arising from clearing for agriculture, to dispose of sewage waste or to enhance biodiversity in regions cleared previously for agriculture. Whatever their use, there is a set of scientific principles that underlie what is done wherever plantation forests are gr
作者: DENT    時(shí)間: 2025-3-26 20:10
https://doi.org/10.1007/978-3-662-12711-7g the early years of growth after seedlings are planted, the trees grow and expand the amounts of their leaves and fine roots until they reach a more or less constant total amount, determined by the amount of the resources required for growth available from the site, especially water and nutrients.
作者: installment    時(shí)間: 2025-3-26 23:43

作者: 伙伴    時(shí)間: 2025-3-27 04:28

作者: CLEFT    時(shí)間: 2025-3-27 06:34
https://doi.org/10.1007/978-3-662-67495-6single most important practice then is weed control; failure to control weeds for the first few years may lead to very substantially reduced tree growth rates. Generally, the trees grow large enough after a few years that their canopy shades out most weeds after that time. After the plantation is ha
作者: 多骨    時(shí)間: 2025-3-27 11:46
https://doi.org/10.1007/978-3-662-62880-5eded. Considerable experimentation is necessary for any tree species in any region to determine when and how much fertiliser is required during the early years of a plantation to maximise growth. The nutrients available on a site from the soil and that have been added as fertiliser are such a vital
作者: 不妥協(xié)    時(shí)間: 2025-3-27 15:04
Documentation for the hfloat Library, the sawn timber. Silviculturalists must adjust the density of a plantation so that it produces logs of the desired size and quality in the most cost-effective way. They do so by selecting an appropriate number and spatial arrangement of trees at the time of planting and by judicious removal of some
作者: Adrenal-Glands    時(shí)間: 2025-3-27 20:16

作者: TOXIN    時(shí)間: 2025-3-28 00:53

作者: Tortuous    時(shí)間: 2025-3-28 05:13

作者: Expressly    時(shí)間: 2025-3-28 06:43
David H. Bailey,Jonathan M. Borweinntation forests and are discussed only briefly. Abiotic agents of plant disease include air or soil pollution, high or freezing temperatures, pesticides, drought, salt, poor soil aeration, nutrient deficiency or mechanical damage; these too are less common in plantation forests and are also discusse
作者: Peculate    時(shí)間: 2025-3-28 13:19
Pichlmayrs Chirurgische Therapietion techniques, including cuttings, air-layering or tissue culture. Genetic engineering, the artificial manipulation of the genes that a plant contains, is becoming an important additional part of tree breeding programmes. Genetically engineered traits being considered in various tree species are r
作者: Tortuous    時(shí)間: 2025-3-28 17:06
https://doi.org/10.1007/978-3-030-28741-2lities are that one species may have a nitrogen-fixing capability, may promote mycorrhizal fungi development on the roots of another, may produce root exudates that advantage another, may protect another from pests or disease or may shade a smaller species reducing its branchiness or stem form. It w
作者: 藥物    時(shí)間: 2025-3-28 18:52
,Visual Law – The Law as Drama?,increase in production with time, probably reflecting improved silvicultural practice that may in fact hide some site degradation. Considerable effort is being made to develop criteria by which long-term sustainability of forestry practices might be judged, together with indicators (that is, specifi
作者: 斗爭(zhēng)    時(shí)間: 2025-3-29 02:17

作者: visceral-fat    時(shí)間: 2025-3-29 05:20
Biology of Plantation Growth,g the early years of growth after seedlings are planted, the trees grow and expand the amounts of their leaves and fine roots until they reach a more or less constant total amount, determined by the amount of the resources required for growth available from the site, especially water and nutrients.
作者: Bother    時(shí)間: 2025-3-29 07:50
Growth Rates and Wood Quality,aracteristics that determine its quality are discussed. The silvicultural practices used in plantations may affect that quality. In particular, practices that increase tree growth rates, like weed control, thinning or fertilisation, may affect wood quality, particularly wood strength.
作者: FANG    時(shí)間: 2025-3-29 15:16
Choosing the Species and Site,ies might do well in the environmental circumstances of that region. Further choices must then be made of exactly what pieces of land should be purchased. This will often be determined by the growth rates that can be expected on a site. These will be determined by the rainfall, soil fertility and cl
作者: 都相信我的話(huà)    時(shí)間: 2025-3-29 16:02

作者: Amendment    時(shí)間: 2025-3-29 20:11

作者: Maximize    時(shí)間: 2025-3-30 03:00

作者: 肉身    時(shí)間: 2025-3-30 05:22
Thinning,d be chosen to achieve the best possible financial outcome for the plantation enterprise. Modern thinning regimes commonly involve two or three thinnings before 15–20?years of age, with 100–300 trees per hectare left after the final thinning. The final harvest then occurs at 25–30?years of age.
作者: 顯示    時(shí)間: 2025-3-30 11:38
Pruning, enough to produce high quality sawn timber. A pruning regime for a plantation involves decisions about when and how often pruning should be done, how far up the stem branches should be removed and how many and which trees should be pruned. These will all be chosen to ensure the cost of pruning is m
作者: gerrymander    時(shí)間: 2025-3-30 12:56
Pests,al problems involved with chemical control alone, it is desirable to use some or all of these strategies in concert in an ‘integrated pest management system’. Such systems are based around the natural circumstances of the pest. They aim not for a complete kill, but to maintain the pest at a level in
作者: 鎮(zhèn)壓    時(shí)間: 2025-3-30 19:59

作者: Nonporous    時(shí)間: 2025-3-30 22:53





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