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10 栽培方式和控释肥配比对迟熟中粳稻氮素利用的影响

Table 10 Effects of cultivation methods and controlled-release fertilizer ratios on nitrogen utilization of late-maturing medium japonica rice

年份/类别 Year/type 处理 Treatment 氮素回收利用率 NRE (%) 氮素农学利用率 AE (kg kg-1) 氮素生理利用率 PNUE (kg kg-1) 氮肥偏生产力 PFP (kg kg-1) 氮素籽粒生产效率 NUEG (kg kg-1) 2018 钵苗机插 MT 40+80 40.52 ab 12.31 abc 30.38 b 38.44 b 48.00 b 40+100 41.81 a 13.90 a 33.25 a 40.04 a 49.19 a 40+120 38.69 cd 9.83 d 25.40 d 35.96 d 45.94 c CK 37.40 de 11.16 cd 29.84 bc 37.30 c 48.45 ab 毯苗机插 MC 40+80 39.76 bc 11.90 bc 29.94 bc 37.19 c 47.96 b 40+100 40.98 ab 13.27 ab 32.39 a 38.56 b 48.95 a 40+120 37.52 de 9.23 d 24.62 d 34.52 e 45.84 c CK 36.44 e 10.56 cd 29.00 c 35.85 d 48.31 ab 2019 钵苗机插 MT 40+80 40.87 ab 13.23 bc 32.38 c 40.07 b 48.87 ab 40+100 42.36 a 15.05 a 35.52 a 41.89 a 50.17 a 40+120 39.09 c 10.60 e 27.13 e 37.44 cd 46.68 de CK 38.50 cd 11.53 de 29.95 d 38.37 bc 48.19 bc 毯苗机插 MC 40+80 39.94 bc 12.25 cd 30.68 d 37.96 c 47.34 cd 40+100 41.75 a 14.07 ab 33.69 b 39.78 b 48.51 bc 40+120 38.27 cd 10.18 e 26.59 e 35.89 d 45.71 e CK 37.22 d 11.02 de 29.63 d 36.74 cd 47.42 cd 年份Y * * ** ** ns 栽培方式CM * * ** ** ** 控释肥配比CRFR ** ** ** ** ** 栽培方式×控释肥CM×CRFR ns ns ns ns ns