“独秆”栽培模式下全程氮肥在分蘖中后期施用对旱直播水稻产量和品质的影响

赵杰, 李绍平, 程爽, 田晋钰, 邢志鹏, 陶钰, 周磊, 刘秋员, 胡雅杰, 郭保卫, 高辉, 魏海燕, 张洪程

Effects of nitrogen fertilizer in whole growth duration applied in the middle and late tillering stage on yield and quality of dry direct seeding rice under “solo-stalk” cultivation mode

ZHAO Jie, LI Shao-Ping, CHENG Shuang, TIAN Jin-Yu, XING Zhi-Peng, TAO Yu, ZHOU Lei, LIU Qiu-Yuan, HU Ya-Jie, GUO Bao-Wei, GAO Hui, WEI Hai-Yan, ZHANG Hong-Cheng

表1 试验肥料用量和施用时期

Table 1 Amount and application stage of fertilizer used in the study (kg hm-2)

氮肥 水平 N level 基肥 Base fertilizer 分蘖肥 Tiller fertilizer 叶龄追肥 Fertilization at leaf age 促花肥 Flower-promoting fertilizer 保花肥 Flower-preserving fertilizer 合计 Total N P2O5 K2O N N P2O5 K2O N K2O N N P2O5 K2O N1 22.5 112.5 180 112.5 112.5 180 135 225 N2 22.5 112.5 225 112.5 112.5 225 135 225 CK1 94.5 135 112.5 94.5 40.5 112.5 40.5 270 135 225 CK2 94.5 135 112.5 94.5 40.5 112.5 40.5 270 135 225