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Effects of Organic Fertilizer Replacing Chemical Fertilizer on Growth and N/P Utilization Ratio in Brassica campestris in East Henan
刘沙沙,李兵,张古彬,冯翔,郭林,李自涛,李志娟,王唯锦
Journal of Agriculture . 2019, (8): 14 -18 .  DOI: 10.11923/j.issn.2095-4050.cjas20190500049