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5 栽培方式和控释肥配比对迟熟中粳稻茎蘖形成的影响

Table 5 Effects of cultivation method and controlled-release fertilizer ratio on tiller formation of late-maturing medium japonica rice

年份/类别 Year/type	处理 Treatment	分蘖盛期 Peak seeding (×10⁴ hm^-2)	拔节期 Jointing (×10⁴ hm^-2)	抽穗期 Heading (×10⁴ hm^-2)	成熟期 Maturity (×10⁴ hm^-2)	成穗率 Percentage of productive tiller (%)
2018
钵苗机插 MT	40+80	573.95 b	516.30 bc	401.25 b	373.13 a	65.02 c
	40+100	566.81 bc	506.20 c	415.45 a	378.48 a	66.78 b
	40+120	529.33 d	463.45 ef	389.70 c	354.36 bc	66.95 ab
	CK	510.90 e	452.50 f	375.80 d	347.59 cd	68.04 a
毯苗机插 MC	40+80	621.35 a	539.50 a	389.00 c	355.23 b	57.18 e
	40+100	612.70 a	528.50 ab	401.15 b	360.78 b	58.89 d
	40+120	574.97 b	485.10 d	379.30 d	341.67 d	59.43 d
	CK	553.71 c	477.90 de	366.35 e	331.34 e	59.84 d
2019
钵苗机插 MT	40+80	578.35 bc	520.25 bc	410.65 ab	378.90 ab	64.52 b
	40+100	570.38 cd	510.35 c	421.65 a	388.08 a	66.36 a
	40+120	532.09 e	469.35 e	399.45 bc	366.00 bc	66.60 a
	CK	515.28 f	460.75 e	382.50 de	353.09 cd	67.46 a
毯苗机插 MC	40+80	632.15 a	544.65 a	402.85 bc	363.98 bc	56.20 e
	40+100	623.69 a	532.75 ab	411.35 ab	374.00 ab	57.85 d
	40+120	588.25 b	492.95 d	389.20 cd	351.68 cd	58.09 cd
	CK	560.35 d	486.70 d	368.30 e	336.25 d	59.14 c
年份Y		*	*	**	*	**
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