total organic matter

The adjunction of weathered coal can increase soil organic matter, soil total nitrogen and available K content. 4.

风化煤的添加可增加土壤有机质含量、全氮和速效钾含量。

The soil fertility factors ( organic matter, total nitrogen, total phosphorous, total potassium and PH) of 8 vegetations were studied on the Tiantai Mountain: and these factors were synthetically compared in the 8 soil with the Fuzzy mathematics method.

本文研究了天台山八种植被下土壤中的肥力因素：有机质、全氮、全磷、全钾及PH值。

In summer, soil bacteria and fungi and soil insect community were more closely related, and alkaline phosphatase, soil organic matter, total phosphorus and total potassium were the key interaction factors of them.

夏季，土壤细菌和真菌与土壤昆虫群落的联系更为密切，碱性磷酸酶、土壤有机质、全磷和全钾是实现其相关性的关键因子。

The thickness of the litter layer under spruce fir was greater, the decomposition intensity was bigger, and the organic matter, total nitrogen, available phosphorus were higher, comparing with that under the pure Larix forest.

云冷杉林的枯枝落叶层的厚度和分解状况优于落叶松纯林，且有机质、全氮、速效磷含量高；

These compounds make up approximately 10 to 15 % of the total organic matter in soils.

这些化合物占整个土壤有机质总量的10%-15%.