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2 各处理氮肥类型、用量与施用时间

Table 2 Nitrogen fertilizer types, dosages, and application time of each treatment

处理 Treatment 基肥 Basal fertilizer (kg hm-2) 分蘖肥 TF 穗肥 SF 控释肥类型 Types of CRF 尿素 U 复合肥 CF 尿素 U 尿素 U 40 d 80 d 100 d 120 d 40+80 27 108 67.50 67.50 40+100 27 108 67.50 67.50 40+120 27 108 67.50 67.50 CK 47.25 47.25 94.5 94.5