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Effects of nitrogen and phosphorus fertilizer on crop yields in a field pea-spring wheat-potato rotation system with calcareous soil in semi-arid environments 期刊论文
SPANISH JOURNAL OF AGRICULTURAL RESEARCH, 2016, 卷号: 14, 期号: 2
Authors:  Liu, Chang-An;  Zhang, Sen;  Hua, Shuai;  Rao, Xin
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