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Effects of Potassium Fertilizer in Winter Wheat -Summer Maize Rotated in Sandy Soil
Yang Sufen, Su Ju, Wang Yilun, Han Yanlai, Tan Jinfang
Chinese Agricultural Science Bulletin . 2007, (5): 243 -243 .  DOI: 10.11924/j.issn.1000-6850.0705243