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Spatial distribution of SPAD value and determination of the suitable leaf for N diagnosis in winter rapeseed
LI Lan-tao,LIU Bo,LUJian-wei*,REN Tao,LI Xiao-kun,CONG Ri-huan,WU Li-shu,LIN Di
中国油料作物学报 . 2014, (1): 76 .  DOI: 10.7505/j.issn.1007-9084.2014.01.012