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1Contributions of Different N Sources to Crop N Nutrition in a Chinese Rice Field
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机构:
来源:PEDOSPHERE
关键词: growing season soil organic matter crop residue incorporation
2Fate of Nitrogen from Organic and Inorganic Sources in Rice-Wheat Rotation Cropping System
作者:
机构:
来源:AGRICULTURAL SCIENCES IN CHINA
关键词: crop residue fertilizer fate (15)N isotope nitrogen fertilizer rice field
年份:2010
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