mineral- associated organic carbon 矿物结合态有机碳
The paper studies organic mineral complex component and distribution character of organic carbon of black soil under various cultivation pattern.
研究了不同耕作方式下黑土有机无机复合体组成及有机碳在各级复合体中的分布特征。
All of the nutrients except for mineral elements and water are classified as organic chemicals because they contain the element carbon.
所有的营养物质和水除了矿质元素被划分为有机化学物质，因为它们包含了碳元素构成的。
The organic carbon content in each organic-mineral complex of tillage layer is decreasing obviously with tillage period increasing, and that also has a decreasing trend in below plough layer.
黑土耕层各复合体中有机碳含量均明显减少，犁底层亦表现出降低的趋势。
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