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The Mathematics Model on Balanced Fertilization of N, P and K for the Content of Vc in Melon
Zhang Zhaohui,Jiang Yuping,Yang Xiaofeng,Zuo Enqiang and Chen Chunhong
Chinese Agricultural Science Bulletin . 2015, (4): 99 -104 .  DOI: 10.11924/j.issn.1000-6850.2014-1920