江苏省科技支撑计划项目(BE2009346)资助
周晓冬,常义军,吴洪生,张富存,朱红霞.甘蓝型油菜开花期SPAD值、叶绿素含量与氮素含量叶位分布特点及其相互关系[J].土壤,2011,43(1):148-151. ZHOU Xiao-dong, CHANG Yi-jun, WU Hong-sheng, ZHANG Fu-cun, ZHU Hong-xia. Distribution of SPAD value, contents of chlorophyll and nitrogen of different type leaves and their relationship in flower of brassica napus[J]. Soils,2011,43(1):148-151
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