... 水源涵养 water conservation 土壤 养分 形成 soil nutrient formation 水土 保持 water and soil conservation ...
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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 analysis of geographic formation of soil nutrient spatial difference of basalt plateau was made in the fifth part.
第五部分是玄武岩台地土壤养分空间差异的地理成因分析。
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