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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... 针叶材树脂囊 resin cyst resin pocket gum pocket 伴生树种 associated species 不同树种 different species ...
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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
温和地带的栎木和山下的植物，这些不同树种形态的垂直分布在海岛的斜坡山是清晰可见的。
The oaks in the temperate belt and the plants under the mountain are scattered distinctively and vertically on the slopes of the island.
我搜集落到地上的不同树种的树枝样本进行测量。
I collected samples of branches that fell to the ground from different trees, and I made measurements.
不同树种对天牛幼虫的生长发育影响十分显著。
The growth and development of longicorn larvae were obviously affected by different tree species.
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