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5 不同品种甜菜共用临界氮浓度稀释曲线
Fig. 5 Dilution curves of critical nitrogen concentrations shared by different varieties of sugar beet