化学调控和氮肥对高密度下春玉米光热水利用效率和产量的影响
刘笑鸣1(
),顾万荣1(),李从锋2,张立国3,王明泉3,龚士琛3,陈喜昌3,李彩凤1,魏湜1,李文华3
),顾万荣1(),李从锋2,张立国3,王明泉3,龚士琛3,陈喜昌3,李彩凤1,魏湜1,李文华3
Effects of Chemical Regulation and Nitrogen Fertilizer on Radiation, Heat and Water Utilization Efficiency and Yield of Spring Maize Under Dense Planting Condition
LIU XiaoMing1(),GU WanRong1(),LI CongFeng2,ZHANG LiGuo3,WANG MingQuan3,GONG ShiChen3,CHEN XiChang3,LI CaiFeng1,WEI Shi1,LI WenHua3
),GU WanRong1(),LI CongFeng2,ZHANG LiGuo3,WANG MingQuan3,GONG ShiChen3,CHEN XiChang3,LI CaiFeng1,WEI Shi1,LI WenHua3
图1. 高密度下化学调控对叶片净光合速率（Pn）及最大光化学效率（Fv/Fm）的影响
N100+CK、N200+CK和N300+CK分别表示施氮量100、200和300 kg·hm-2下喷施清水,N100+Y、N200+Y和N300+Y分别表示施氮量100、200和300 kg·hm-2下喷施化控。下同
Fig. 1. Effects of chemical regulation on net photosynthetic rate (Pn) and maximal photochemistry efficiency (Fv/Fm) in leaves under high density
N100+CK indicates 100 kg N·hm-2+water treatment; N200+CK indicates 200 kg N·hm-2+water treatment; N300+CK indicates 300 kg N·hm-2+water treatment; N100+Y indicates 100 kg N·hm-2+Yuhuangjin treatment; N200+Y indicates 200 kg N·hm-2+Yuhuangjin treatment; N300+Y indicates 300 kg N·hm-2+ Yuhuangjin treatment. The same as below
