PDF(1247 KB)
Effects of Organic Fertilizer Replacing Chemical Fertilizer on Growth and N/P Utilization Ratio in Brassica campestris in East Henan
PDF(1247 KB)
PDF(1247 KB)
Effects of Organic Fertilizer Replacing Chemical Fertilizer on Growth and N/P Utilization Ratio in Brassica campestris in East Henan
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