主要阴离子平均含量均以落叶松人工林溪流水中为最高。
The average monthly content of anions in stream water was the highest under larch plantation.
对于平缓坡的落叶松人工林，拖拉机的集材效率优于畜力的集材效率。
For larch plantations on the gentle slope, the operation efficiency of tractor skidding is better than that of animal skidding.
在立地条件一致的前提下，研究了落叶松人工林土壤养分含量的年动态变化趋势。
On the premise of identity for site conditions, the annual dynamic changes of soil nutrients under larch plantation were studied.
落叶松人工林是我国北方林区主要用材林之一，对我国的国民经济建设起到重要作用。
Larch plantation is one of the main commercial forests in north China and has an important contribution to the national economy.
当抽取样本多于此值后， 曲线下降缓慢。3）落叶松人工林的样地抽样效果要好于柞树林的样地。
Their fluctuation degrees were also decreasing as the number of sampling points was increasing. 3) This technique used in Larix plantations was better than Mongolian oak forest.
温湿度的交互作用共同解释落叶松人工林土壤呼吸日变化变异的86.4%，白桦人工林的97.4%。
The regression model fitted by temperature and moisture can explain 86.4% of the diurnal changes of soil respiration in larch plantation, and 97.4% of birch plantation.
本文在对落叶松人工林进行立地分类和立地质量评价的基础上，建立了落叶松人工林的矩阵模型和单木生长模型。
Based on the site classification and site evaluation, the matrix models (size class model) and individual tree growth model was developed in this paper.
初植密度对落叶松人工林的纤维形态特征、物理特征及化学特征有重要的影响，除生长轮宽度外，其它各指标差异显著；
Planting density has significant effects on fiber morphology, physical and chemical properties of Lalix olgensis wood. Except growth-ring width, remarkable differences was found in other indexes.
结果表明，落叶松人工林的林冠截留率最大，表现出比天然白桦林、天然黑桦林和天然阔叶混交林具有较强的蓄水和拦截功能。
Compared with natural secondary forests of birch, Dahurian birch, and broadleaf tree mixed one, larch plantation showed higher sluice function due to its higher canopy interception percentage.
本书是对东北林业大学帽儿山实验林场老山实验站兴安落叶松人工林连续4年(2001- 2004)测定结果的综合概论。
This book is a conspectus of four years (2001-2004) study of a larch plantation at Laoshan station, Experimental Forestry Farm of Northeast Forestry University.
通过对落叶松人工林短轮伐期经营与实践，提出了进行落叶松人工林短轮伐期经营的必要性，并阐述了进行短轮伐期经营的技术要点。
According to the practice and management of short regulatory rotation age in larch plantation, this paper states its necessity and technique key points.
结果表明，人工林日本落叶松比日本花柏木材的弦径干缩差异大，均属中等，日本花柏比日本落叶松木材尺寸相对稳定；
The results show that the tangential-radial shrinkage difference of artificial wood L. kaempferi is bigger than that of C.
结果表明，人工林日本落叶松比日本花柏木材的弦径干缩差异大，均属中等，日本花柏比日本落叶松木材尺寸相对稳定；
The results show that the tangential-radial shrinkage difference of artificial wood L. kaempferi is bigger than that of C.
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