车桑子幼苗生物量分配与叶性状对氮磷浓度的响应差异

王雪梅, 闫帮国, 史亮涛, 刘刚才

Different responses of biomass allocation and leaf traits of Dodonaea viscosa to concentrations of nitrogen and phosphorus

WANG Xue-Mei, YAN Bang-Guo, SHI Liang-Tao, LIU Gang-Cai

表1 各氮磷浓度梯度下营养液的氮磷浓度和氮磷比值

Table 1 N and P concentrations and the N:P ratio in different nitrogen and phosphorus concentration gradients

氮、磷水平 N, P levels 氮浓度 N concentration (mmol·L-1) 磷浓度 P concentration (mmol·L-1) 氮磷比 N:P N1 3 1 3 N2 5 1 5 N3 15 1 15 N4 30 1 30 P1 15 0.25 60 P2 15 0.5 30 P3 15 1 15 P4 15 2 7.5