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Effect of Nitrogen Fertilization Rate and Ratio Between Basal and Topdressing on Growth and Root Yield of Rehmannia glutinosa Libosch
周丽莉 祁建军 孙鹏 牛世杰 焦连魁 李先恩
Chinese Agricultural Science Bulletin . 2012, (19): 270 -274 .  DOI: 10.11924/j.issn.1000-6850.2012-0065