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Analysis of the Variations of Rice Yield in Paddy-Upland Rotational Fields
Paddy rice Paddy-upland rotation Single crop Soil nitrogen mineralization Yield components
2009/7/7
The source of the variation of yield and yield components of paddy rice was analyzed in the paddy-upland rotational fields (rice-wheat-soybean) and in the single-cropped paddy fields from 1998 to 20...