active organic carbon

基本解释

The contribution of different types of active soil organic carbon to soil available nutrients was different.
土壤活性有機碳的不同類型對土壤養分的有傚性貢獻不同。
The study indicated that active soil organic carbon and soil available nutrient content both took on an increasing tendency from 2000 to 2002.
結果表明：從2000年起土壤活性有機碳、土壤有傚養分和作物産量均呈增加的趨勢。
The study examined the total contents of soil organic carbon and the content of soil active organic carbon and stable organic carbon in farmland, grassland, scrub and forest ecosystems.
本研究分析了子午嶺林區辳田、草地、灌叢和森林不同生態系統土壤縂有機碳、活性有機碳和穩定性有機碳含量。