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Effect of urea, ammonium bicarbonate and their combined application with organic fertilizer on successive plantation of leafy vegetables
姚建武 艾绍英 王艳红 李盟军 唐明灯 曾招兵
Chinese Agricultural Science Bulletin . 2009, (18): 241 -244 .  DOI: 10.11924/j.issn.1000-6850.2009-0815