Green manure can be used as a substitute for chemical fertilizer without reducing rice yield. We studied the responses of soil fertility and rice yield to different combinations of Chinese milk vetch（CMV; Astragalus sinicus L.） and chemical fertilizer in a subtropical double-rice cropping system. Our goal is to reduce chemical fertilizer use and decrease environmental contamination. Compared with the recommended rate of chemical fertilizer（CF）, both early-and late-rice yields in the two treatmen... 

【文章來源】：Journal of Integrative Agriculture. 2020,19(08)SCICSCD

【文章頁數(shù)】：11 頁

【文章目錄】：
1. Introduction
2. Materials and methods
    2.1. Site description,experimental design and management
    2.2. Sampling and analyses
    2.3. Statistical analysis
3. Results
    3.1. Changes in rice grain yield
    3.2. Agronomic efficiency of applied chemical N(AEN)
    3.3. Relationship between CMV application rate and early-rice yield
    3.4. Soil chemical properties
4. Discussion
    4.1. Effect of solo application of green manure on grain yield and soil properties
    4.2. Effect of integrated green manure and mineral fertilizer on soil properties
    4.3. Effects of integrated CMV and chemical fertilizer on rice yield
5. Conclusion


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