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Research Progress on Nitrogen Cycling and Its Environment Effects in Vegetable Crop-Soil System
Hu Xiaoxia1,2, Ding Hong1, Zhang Yushu1, Qin Shengjin1
Chinese Agricultural Science Bulletin . 2010, (10): 287 -294 .  DOI: 10.11924/j.issn.1000-6850.2009-2749