施氮量对迟播油菜氮素利用和产量品质的影响

李小勇,顾炽明,刘康,廖星,黄威,杨志远,秦璐

Effects of Nitrogen Application Rate on Nitrogen Use Efficiency, Yield and Quality of Late Sowing Rapeseed

LI XiaoYong,GU ChiMing,LIU Kang,LIAO Xing,HUANG Wei,YANG ZhiYuan,QIN Lu

图3 不同播期和施氮量下油菜地上部干重、根干重和根冠比

Fig. 3 Aboveground biomass, root biomass and root-shoot ratio at different sowing dates and nitrogen rates of rapeseed