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6 栽培方式和控释肥配比对迟熟中粳稻叶面积指数的影响

Table 6 Effects of cultivation method and controlled-release fertilizer ratio on leaf area index of late-maturing medium japonica rice

年份/类别 Year/type	处理 Treatment	拔节期 Jointing	抽穗期 Heading	成熟期 Maturity	叶面积衰减速率
年份/类别 Year/type	处理 Treatment	拔节期 Jointing	抽穗期 Heading	成熟期 Maturity	Decreasing rate of leaf area (LAI d^-1)
2018
钵苗机插 MT	40+80	4.85 d	7.34 bc	2.52 d	0.0861 a
	40+100	4.70 e	7.52 a	2.89 a	0.0827 a
	40+120	4.51 f	7.29 c	2.68 bc	0.0823 a
	CK	4.23 g	7.08 f	2.31 e	0.0852 a
毯苗机插 MC	40+80	5.38 a	7.21 d	2.41 de	0.0873 a
	40+100	5.15 b	7.38 b	2.73 b	0.0845 a
	40+120	4.96 c	7.15 e	2.54 cd	0.0838 a
	CK	4.73 e	6.82 g	2.17 f	0.0845 a
2019
钵苗机插 MT	40+80	4.91 d	7.72 b	2.77 bc	0.0868 a
	40+100	4.78 e	7.94 a	3.21 a	0.0830 a
	40+120	4.59 f	7.61 c	2.94 b	0.0819 a
	CK	4.31 g	7.28 e	2.32 ef	0.0870 a
毯苗机插 MC	40+80	5.44 a	7.32 e	2.46 de	0.0868 a
	40+100	5.32 b	7.51 d	2.84 b	0.0834 a
	40+120	5.12 c	7.21 f	2.62 cd	0.0820 a
	CK	4.88 d	6.95 g	2.18 f	0.0852 a
年份Y		**	**	**	ns
栽培方式CM		**	**	**	ns
控释肥配比CRFR		**	**	**	**
栽培方式×控释肥CM×CRFR		ns	ns	ns	ns