控释氮肥运筹对钵苗摆栽籼粳杂交稻甬优1540产量及氮肥利用的影响

柯健, 陈婷婷, 徐浩聪, 朱铁忠, 吴汉, 何海兵, 尤翠翠, 朱德泉, 武立权

Effects of different application methods of controlled-release nitrogen fertilizer on grain yield and nitrogen utilization of indica-japonica hybrid rice in pot-seedling mechanically transplanted

KE Jian, CHEN Ting-Ting, XU Hao-Cong, ZHU Tie-Zhong, WU Han, HE Hai-Bing, YOU Cui-Cui, ZHU De-Quan, WU Li-Quan

表1 氮肥运筹方式

Table 1 Nitrogen fertilizer application

处理 Treatment 施氮量 Nitrogen application rate (kg hm-2) 氮肥施用比例Ratio of N fertilizer (%) 基肥 Basal fertilizer 分蘖肥 Tillering fertilizer 促花肥 Panicle initiation fertilizer 保花肥 Spikelet differentiation fertilizer 0N 0 — — — — SU 280 40 Urea-N 20 Urea-N 20 Urea-N 20 Urea-N BC 280 100 CRNF-N BC+TU 280 80 CRNF-N 20 Urea-N BC+PU 280 70 CRNF-N 30 Urea-N