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4 不同处理间的氮肥利用效率差异

Table 4 Difference of nitrogen fertilizer use efficiency among different treatments kg/kg

品种 Variety 处理 Treatment 氮肥偏生产力 PEPN 氮肥农学效率 AEN ZD958 N3 40.33c 22.78c N2 53.52b 30.11b N1 74.91a 39.80a N0 － － XY335 N3 42.59c 25.62c N2 56.55b 33.93b N1 81.22a 47.29a N0 － －