Soil microbial biomass as affected by non-flooded plastic mulching cultivation in rice
文献类型: 外文期刊
第一作者: Li, Yong-Shan
作者: Li, Yong-Shan;Wu, Liang-Huan;Lu, Xing-Hua;Zhao, Li-Mei;Fan, Qiao-Lan;Zhang, Fu-Suo
作者机构:
关键词: non-flooded plastic film mulching cultivation;soil microbial biomass;rice
期刊名称:BIOLOGY AND FERTILITY OF SOILS ( 影响因子:6.432; 五年影响因子:6.332 )
ISSN: 0178-2762
年卷期: 2006 年 43 卷 1 期
页码:
收录情况: SCI
摘要: The long-term field experiments were initiated in 2001 on five sites in Zhejiang province of China to monitor the impacts of non-flooded plastic mulching management on rice soil microbial biomass for sustainable agro-ecosystem. The three treatments were plastic film mulching with no flooding (PM), no plastic film mulching and no flooding (UM), and the traditional flooding management (TF). Microbial biomass C accounted for 0.3-2.4% of the soil total organic C, microbial biomass N for 0.79-4.3% of the soil total N, and microbial biomass P for 0.1-1.6% of the soil total P. Three years of non-flooded plastic film mulching reduced microbial biomass C and N and increased microbial biomass P in rice soil.
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