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4 栽培方式和控释肥配比对迟熟中粳稻产量构成因素的影响

Table 4 Effects of cultivation method and controlled-release fertilizer ratio on yield components of late-maturing medium japonica rice

年份/类别 Year/type 处理 Treatment 单位面积穗数 Panicle number (×104 hm-2) 每穗粒数 Spikelet per panicle 群体颖花量 Total spikelet number (×106 hm-2) 结实率 Seed-setting rate (%) 千粒重 1000-grain weight (g) 产量 Grain yield (t hm-2) 2018 钵苗机插 MT 40+80 373.13 a 137.51 b 513.06 a 94.32 c 25.30 ab 10.38 b 40+100 378.48 a 139.09 b 526.45 a 95.78 a 25.45 ab 10.81 a 40+120 354.36 bc 138.61 b 491.18 b 95.37 b 25.85 ab 9.71 d CK 347.59 cd 141.79 a 492.85 b 95.49 ab 26.18 a 10.07 c 毯苗机插 MC 40+80 355.23 b 129.55 d 460.20 cd 94.24 c 24.35 b 10.04 c 40+100 360.78 b 131.06 d 472.85 c 95.65 ab 24.48 b 10.41 b 40+120 341.67 d 130.09 d 444.45 e 94.38 c 25.10 ab 9.32 e CK 331.34 e 134.67 c 446.20 de 94.52 c 25.23 ab 9.68 d 2019 钵苗机插 MT 40+80 378.90 ab 138.37 c 524.29 b 94.17 b 25.50 a 10.82 b 40+100 388.08 a 141.71 b 549.96 a 95.45 a 25.70 a 11.31 a 40+120 366.00 bc 139.39 c 510.16 bc 94.26 b 25.93 a 10.11 cd CK 353.09 cd 145.09 a 512.28 bc 95.20 a 26.25 a 10.36 bc 毯苗机插 MC 40+80 363.98 bc 128.29 f 466.92 de 93.28 c 25.15 a 10.25 c 40+100 374.00 ab 133.13 e 497.89 c 93.87 bc 25.20 a 10.74 b 40+120 351.68 cd 129.24 f 454.50 ef 93.46 bc 25.25 a 9.69 d CK 336.25 d 135.46 d 455.46 ef 93.72 bc 25.50 a 9.92 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