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中文
Effects of Different Types and Levels of Nitrogen Fertilizer Application on Yield and Quality of Lettuce
Sun Zihang, Ai Shaoying, Liu Chunsheng,Yao Jianwu, Li Mengjun, Lang Wenpei
Chinese Agricultural Science Bulletin . 2007, (
9
): 66 -66 . DOI: 10.11924/j.issn.1000-6850.0709366
