The increased N input may influence C and N turnover during litter decomposition process by changing chemical and microbial environment in forest floor.
外源氮输入可以通过改变土壤中的化学和微生物环境影响凋落物分解过程中的碳氮周转过程。
The turnover periods of N and Pwere 13 and 12 years respectively.
它们的氮含量均大于磷含量，周转期氮需13年比磷需12年为慢。
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