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Amount and Decomposition Characteristics of Litters in Citrus Orchard in Fuzhou,China
Pages: 231-234
Year: Issue:  3
Journal: Rural Eco-Environment

Keyword:  柑橘果园 凋落物 分解;
Abstract: 对福州郊区7年生柑橘果园生态系统凋落物的发生及凋落物叶分解特征进行观测研究。结果表明,柑橘果园年凋落物总量为1 682.48,其中以叶凋落量最大,占58.97%;凋落物的发生呈现不规则的月变化,以3月和7月凋落物量最大;柑橘果园凋落物年碳、氮归还量分别为704.56、43.72。凋落物叶分解过程呈现先快后慢的规律,经过1 a分解后,凋落物叶分解残留率为21.50%,凋落物叶分解95%所需时间为1.83 a。
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