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9 栽培方式和控释肥配比对迟熟中粳稻氮素积累的影响

Table 9 Effects of cultivation method and controlled-release fertilizer ratio on nitrogen accumulation in late-maturing medium japonica rice

年份/类别 Year/type 处理 Treatment 播种至拔节SS-JS 拔节至抽穗JS-HS 抽穗至成熟HS-MS 积累量Accumulation (kg hm-2) 积累比例Accumulation ratio (%) 积累量Accumulation (kg hm-2) 积累比例Accumulation ratio (%) 积累量Accumulation (kg hm-2) 积累比例Accumulation ratio (%) 2018 钵苗机插 MT 40+80 112.90 ab 52.20 cd 72.43 a 33.49 bc 30.94 ef 14.31 e 40+100 110.87 bc 50.45 e 74.16 a 33.75 b 34.72 bc 15.80 c 40+120 104.48 de 49.44 e 69.00 ab 32.65 cd 37.86 a 17.91 a CK 99.85 e 48.03 f 73.00 a 35.12 a 35.01 bc 16.85 b 年份/类别 Year/type 处理 Treatment 播种至拔节SS-JS 拔节至抽穗JS-HS 抽穗至成熟HS-MS 积累量Accumulation (kg hm-2) 积累比例Accumulation ratio (%) 积累量Accumulation (kg hm-2) 积累比例Accumulation ratio (%) 积累量Accumulation (kg hm-2) 积累比例Accumulation ratio (%) 毯苗机插 MC 40+80 117.23 a 56.00 a 62.13 cd 29.67 f 29.98 f 14.33 de 40+100 114.10 ab 53.66 b 65.93 bc 31.00 e 32.62 de 15.34 cd 40+120 107.07 cd 52.66 bc 60.08 d 29.56 f 36.16 ab 17.78 ab CK 103.21 de 51.50 d 63.38 cd 31.63 de 33.81 cd 16.87 b 2019 钵苗机插 MT 40+80 115.15 b 52.01 c 74.57 ab 33.68 a 31.68 e 14.31 cd 40+100 111.42 bc 49.43 d 77.16 a 34.23 a 36.86 bc 16.34 b 40+120 106.75 cd 49.29 d 70.22 bc 32.42 b 39.63 a 18.29 a CK 103.02 d 47.92 e 74.78 ab 34.78 a 37.20 b 17.30 ab 毯苗机插 MC 40+80 122.53 a 56.60 a 63.45 de 29.30 d 30.53 e 14.10 d 40+100 120.80 a 54.56 b 66.83 cd 30.19 cd 33.78 d 15.25 c 40+120 112.68 b 53.15 c 61.57 e 29.04 d 37.76 ab 17.81 a CK 110.10 bc 52.64 c 63.95 de 30.57 c 35.13 cd 16.79 b 年份Y ** ns * * ** ns 栽培方式CM ** ** ** ** ** * 控释肥配比CRFR ** ** ** ** ** ** 栽培方式×控释肥CM×CRFR * * * * ** ns