decomposition of soil organic matter的意思|示意

Humus: Nonliving, finely divided organic matter in soil, derived from microbial decomposition of plant and animal substances.

腐殖质：土壤中无生命的、细小的有机物质。

The mechanism of Soil organic matter and wheat straw decomposition were discussed through the accumulated CO2, microbial biomass and inorganic nitrogen content.

测定秸秆和土壤有机质分解过程中CO_2释放量、土壤微生物量和土壤无机氮含量变化，探讨土壤有机质和秸秆分解的规律。

Forest litters decomposition was an important process of nutrient cycling in forest ecosystems, and played a central role in soil organic matter formation and nutrients release.

凋落物分解是森林生态系统养分循环中的重要过程，对土壤有机质的形成和养分释放有重要意义。

The decomposition rate of original soil organic matter is inversely proportional to its half-life.

土壤中原有的土壤有机质分解速度与半衰期成反比。

Soil organic matter is the product of microbial decomposition of plant and animal residues.

土壤有机质是微生物分解植物和动物残体的产物。

As an important component of the ecosystem of the soil microbes, involved in the complex of soil organic matter decomposition and re-synthesis, the promotion of c, n, s, p, etc. cycle.

作为生态系统重要组成部分的土壤微生物，参与土壤中复杂有机物质的分解和再合成，促进C、N、S、P等的循环。