不同机械化栽培方式下控释肥配比对迟熟中粳水稻产量形成及氮素吸收利用的影响

付正豪, 马中涛, 魏海燕, 邢志鹏, 刘国栋, 胡群, 张洪程

Effects of controlled release fertilizer ratio on yield formation and nitrogen absorption and utilization of late-maturing medium japonica rice under different mechanized cultivation methods

FU Zheng-Hao, MA Zhong-Tao, WEI Hai-Yan, XING Zhi-Peng, LIU Guo-Dong, HU Qun, ZHANG Hong-Cheng

表3 不同栽培方式和控释肥配比处理下迟熟中粳稻各生育阶段的天数

Table 3 Number of days at each growth stage of late-maturing medium japonica rice treated with different cultivation methods and controlled-release fertilizer ratios

处理 Treatment 播种至移栽 SS-TS 移栽至拔节 TS-JS 拔节至抽穗 JS-HS 抽穗至成熟 HS-MS 全生育期 Whole growth duration 2018 2019 2018 2019 2018 2019 2018 2019 2018 2019 钵苗机插 MT 40+80 30 30 40 41 30 29 56 57 156 157 40+100 30 30 40 41 30 29 56 57 156 157 40+120 30 30 40 41 30 29 56 57 156 157 CK 30 30 40 41 30 29 56 57 156 157 毯苗机插 MC 40+80 20 20 45 45 28 28 55 56 148 149 40+100 20 20 45 45 28 28 55 56 148 149 40+120 20 20 45 45 28 28 55 56 148 149 CK 20 20 45 45 28 28 55 56 148 149