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Effects of nitrogen fertilizer application on NPK accumulations and yield for oilseed sunflower
WANG Rong, HE Wen-shou*, MA Yu-bo, REN Ran, ZHAO Tao
中国油料作物学报 . 2014, (4): 494 .  DOI: 10.7505/j.issn.1007-9084.2014.04.010