新建网页 1 关键词： 不同树种；混交林；土壤化学性质；土壤酶活性 [gap=1383]Key Words: Different tree species; Mixed stands; Soil chemical property; Soil enzyme activity
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The investigation shows that different tree species stump has different decomposition process. The environmental factors and the material composed in the stump both affect stump decomposition.
研究结果显示,不同树种伐根的分解过程不同,其分解时间不仅受环境因素的影响,也与伐根自身的物质组成特点相关。
参考来源 - 长白山地区阔叶红松林主要树种伐根分解过程研究·2,447,543篇论文数据，部分数据来源于NoteExpress
It is found that the growth rate of different tree species is quite different in the same soil.
发现，在同一土壤中不同树种的生长速率表现出明显的差异。
The growth and development of longicorn larvae were obviously affected by different tree species.
不同树种对天牛幼虫的生长发育影响十分显著。
Forest health status was evaluated in eight forest types for different tree species in this area.
分林种对该区八个森林类型进行了森林健康状况的研究。
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