humus layer

CHANGBAI Mountain volcanic ash soils humus layer with higher levels of organic matter, all rich in nitrogen, total phosphorus is missing.

长白山火山灰土的表层有机质腐殖质含量较高、全氮量丰富、全磷量缺少。

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humus layer in different forest types and soil surface type and quantity of soil fungal communities have a significant difference.

不同林型腐殖质层和土壤表层的土壤真菌群落种类和数量都具存在显著差异。

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Studies on the Forest Humus Layer and Its Impact on the Quantity of Undersoil Moisture

凋落物层对渗入底土水分数量影响的研究

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beneath the humus layer lies a leached horizon (a horizon) composed mainly of quartz sand.

腐殖质层之下是淋溶层（淋溶层A），主要是由石英砂组成。

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linden tree where korean pine humus layer and soil surface in a number of diversity index showed the greatest advantage.

其中椴树红松林在腐殖质层和土壤表层的多个多样性指数中表现出最大的优势。

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