长期定位条件下不同氮肥运筹对春玉米根冠发育的影响

李喆豪, 姬米源, 吕梦, 明博, 李少昆, 张海艳, 谢瑞芝

Effects of Different Nitrogen Fertilizer Management Strategies on the Root and Shoot Development of Spring Maize under Long-Term Positioning Conditions

Li Zhehao, Ji Miyuan, Lü Meng, Ming Bo, Li Shaokun, Zhang Haiyan, Xie Ruizhi

表1 氮肥处理的施用量和施用时间

Table1 Application rates and time of nitrogen fertilizer treatments kg/hm2

氮肥处理 Nitrogen fertilizer treatment 基肥Base fertilizer 追肥Topdressing 播前Before sowing V8 VT N0 0 0 0 N1 150 0 0 N2 150 75 0 N3 150 75 75