不同追氮模式对河南沿黄稻区粳稻根系生长和产量的影响

付景, 尹海庆, 王亚, 杨文博, 张珍, 白涛, 王越涛, 王付华, 王生轩

Effects of Nitrogen Topdressing Models on Root Growth and Grain Yield of Japonica Rice in the Region along Yellow River of Henan Province

Fu Jing, Yin Haiqing, Wang Ya, Yang Wenbo, Zhang Zhen, Bai Tao, Wang Yuetao, Wang Fuhua, Wang Shengxuan

表1 生长中后期追施氮素模式

Table 1 Nitrogen topdressing models in the middle and late growth period kg/hm2

处理 Treatment 基肥 Base fertilizer 分蘖肥 Tillering fertilizer 促花肥 Flower promoting fertilizer 保花肥 Flower preserving fertilizer 粒肥 Grain fertilizer 总施用量 Total application amount T0 108 54 0 0 0 162 T1 108 54 108 0 0 270 T2 108 54 0 108 0 270 T3 108 54 54 54 0 270 T4 108 54 0 54 54 270