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The Effects of Nitrogen, Phosphorus, Potassium Compound Fertilization Treatments on the Nitrate Content and Yield of Brassica chinensis
Lian Hua, Ma Guangshu, Jin Yazhong
Chinese Agricultural Science Bulletin . 2006, (11): 243 -243 .  DOI: 10.11924/j.issn.1000-6850.0611243