内蒙古地区甜菜临界氮浓度稀释模型的构建及应用
张加康, 李斐, 史树德, 杨海波

Construction and application of the critical nitrogen concentration dilution model of sugar beet in Inner Mongolia, China
ZHANG Jia-Kang, LI Fei, SHI Shu-De, YANG Hai-Bo
图7 两品种甜菜氮素营养诊断
处理同图1
Fig. 7 Nitrogen nutrition diagnosis of two varieties in sugar beet
Treatments are the same as those given in Fig. 1.