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林木生长     
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  tree growth
     Demand amounts of P and K were great for most mixed stands, resulting in decrease in amounts of total P and K, so that P fertilizer and K fertilizer were need to accelerate tree growth.
     大多数混交林对P和K的需求量大 ,造成土壤全P和K含量的减少 ,需要施P肥和K肥以促进林木生长
短句来源
     Tree Growth Interrelationship :A Subject in Great De'nand in 21st Century
     21世纪:林木生长相关将成为热门学科
短句来源
     Study on Individual Tree Growth and Competition Effect of in Different Management Kinds of Chinese Fir Population
     杉木人工林不同经营类型林木生长与竞争效应研究
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     The main purpose of this paper is to research the effects of Eco-mat mulching sands on soil and the tree growth.
     主要从土壤物理化学性质、林木生长及林木光合生理生态等方面进行系统研究,对比分析生态垫覆盖与对照的差异。
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     The result showed that the range of eating percentage either in leaf-area or weight was 0. 45%~28. 01% among various tree species, averaging 7. 71 % which had no significant influence on the tree growth.
     所得结果表明:昆虫食叶面积或重量百分率,各树种变动幅度在0.45%~28.01%之间,平均为7.71%,这种食叶量水平,对林木生长并无影响。
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  forest growth
     Dynamic Models of Forest Growth and Nutrition Ⅴ.Nutrient Curve of China-fir Forest
     林木生长与养分动态模型研究 Ⅴ.杉木林养分曲线
短句来源
     Dynamic Models of Forest Growth and Nutrition Ⅰ. Diameter and Height Growth Equation
     林木生长与养分动态模型研究 Ⅰ.杉木直径和高生长方程
短句来源
     Study on Dynamics Models of Forest Growth and Nutrition IV. Stand Section Area Equation of China fir Forest
     林木生长与养分动态模型研究IV.杉木林分断面积方程
短句来源
     Dynamic Models of Forest Growth and Nutrition Ⅱ. Volume Growth Equation
     林木生长与养分动态模型研究 Ⅱ.杉木蓄积生长方程
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     Dynamic Models of Forest Growth and Nutrition:Ⅶ Effective concentration range of Eucalyptus
     林木生长与养分动态模型研究 Ⅶ桉树的有效养分浓度区间
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  trees growth
     PRELIMINARY RESEARCH ON THE RELATIONSHIP OF EDAPHON AND TREES GROWTH
     土壤微生物与林木生长关系初探
短句来源
     Research Trends in Trees Growth and Yield Prediction Models
     林木生长和收获预估模型的研究动态
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     The sample-plot survey was conducted for farmland shelterbelt in 13 counties municipal of western region of Jilin Province,China,which investigated the soil characteristics of physics and chemistry and trees growth in the shelterbelt.
     在吉林省中西部农田防护林集中分布的13个县(市)设置标准地,调查林带土壤特征和林带林木生长状况。
短句来源
     Fitting Soil Moisture Environment of Trees Growth on Loess Pla teau in Semi-arid Region
     黄土高原半干旱区林木生长适宜土壤水分环境的研究(英文)
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     This thesis studies the six main coastal protective forest models in northern JiangSu province through measuring soil physical and chemical properties、enzymatic activities and trees growth . The results are described as follows: 1. Except for catalase, the nutrient status in the top was highest.
     本文对目前苏北地区六种主要海堤防护林土壤肥力及林木生长状况进行研究,测定各林地土壤理化性质、酶活性,结果表明: (1)海堤防护林下各种土壤养分指标和除过氧化氢酶外几种主要的土壤酶活性在土层中的分布规律较为相似,一般随土层深度的增加而降低且差异显著。
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  forest tree growth
     The average soil water content of two planting density Pinus tabulaeformis plantation were lower than other stands, which interpreted that the micro-environment, forest tree growth and development of undergrowth varied with the type of stand and planting density.
     油松林两个密度的林分林地平均土壤水分含量均比所研究的其它林分为低。 反映出林分内的小环境条件、林木生长状况和林下植被发育水平随林分种类、林分密度变化的特征。
短句来源
     By canonical correlation analysis, sampling time was selected, and foliar mutriment elements closely related to forest tree growth were determined.
     用典型相关分析方法选择采样时间、确定与林木生长有密切关系的叶片养分元素。
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  tree growth
We found that infestation exceeding 0.5 larvae per brachyblast significantly suppressed tree growth and reproductive organ formation.
      
The κ(T) and ρ(T) relations were measured on a sample cut along the direction of tree growth.
      
The temperature dependences κ(T) and ρ(T) of the 3C-SiC/Si biomorphic composite at a silicon content of ~30 vol % are measured for samples cut out parallel and perpendicular to the direction of tree growth.
      
The measurements were conducted on samples cut along (β∥) and across (β⊥) the tree growth direction.
      
Measurements of ρ were carried out on samples cut either along (ρ∥) or across (ρ⊥) the tree growth direction, and α was measured on a sample cut along the tree growth direction.
      
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  forest growth
Its design is based on the inherent forest growth laws, and its parameters are estimated by modern regression methods.
      
The relationship between forest growth and nutrient content in the tree leaves and the soil were analyzed.
      
Tree crop intercropping in young plantations is an effective measure to increase forest growth and economic benefit.
      
A "forest growth" model - a percolation model that enables nonequilibrium effects to be taken into account - is proposed for describing the dynamics of the process.
      
A "forest growth model" is proposed for the theoretical description and analysis of the unsteady stage of two-phase flow in a porous medium.
      
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  trees growth
Soil is well suited for teak and miscellaneous trees growth.
      
Similar to most other plants, salinity reduces citrus trees' growth and causes physiological disorders.
      
  forest tree growth
Soil protozoa and forest tree growth: non-nutritional effects and interaction with mycorrhizae
      
These models have practical application as estimators of tree diameters or heights from tree biomass as extensions of mechanistically based models of forest tree growth which predict tree biomasses.
      
Distributions of forest tree growth rates often display wide variation and positive skewness even within a narrow range of tree sizes.
      
Decreased forest tree growth has often been attributed to increasing soil acidification, especially from high concentrations of soluble Al3+ and low base saturation.
      
Detailed study of the history of forest tree growth by tree-ring analysis is used to assess the effect of acid precipitation.
      
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