枯枝落叶的快速分解会引起土壤的氮和磷元素的周期性短缺。
The decomposition of litter can cause the periodic shortage of nitrogen and phosphorus chemical elements.
土壤温度、微生物数量和枯枝落叶本身的化学成分是影响分解率的主要因素。
The soil temperature, the Numbers of microorganism and the chemical composition of litter itself are the main factors what affect the litter decomposition rate.
通过对黄土丘陵区中龄山杨次生林的凋落物及其分解过程，以及蓄积量随时间变化的分析，研究了枯枝落叶层的持水和截留作用及其蓄水减沙效益。
The wilting litter of the middle aged secondary mountain poplar forest and the decomposing process of litter as well as an amount of their accumulation were analysed with changes in time.
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