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Effects of different types of Nitrogen Fertilizer on nodule growth characteristics and yield and grain quality of soybean
谷秋荣 熊淑萍 郭鹏旭 薛晓娅 赵巧梅
Chinese Agricultural Science Bulletin . 2010, (14): 226 -228 .  DOI: 10.11924/j.issn.1000-6850.2010-0435