Soil microbial biomass as affected by non-flooded plastic mulching cultivation in rice |
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| Authors: | Yong-Shan Li Liang-Huan Wu Xing-Hua Lu Li-Mei Zhao Qiao-Lan Fan Fu-Suo Zhang |
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| Institution: | (1) Key Lab of Environmental Remediation and Ecosystem Health, The Ministry of Education of China, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310029, China;(2) Cotton Research Institute, Shanxi Academy of Agricultural Sciences, Yuncheng, Shanxi, 044000, China;(3) College of Resources and Environment, China Agricultural University, Beijing, 00094, China |
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| Abstract: | 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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| Keywords: | Non-flooded plastic film mulching cultivation Soil microbial biomass Rice |
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