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7 栽培方式和控释肥配比对迟熟中粳稻光合势的影响

Table 7 Effects of cultivation methods and controlled-release fertilizer ratios on photosynthetic potential of 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
2018
钵苗机插 MT	40+80	169.75 b	182.84 a	276.08 b
	40+100	164.50 c	183.30 a	291.48 a
	40+120	157.85 e	176.97 b	279.16 b
	CK	148.05 g	169.64 c	262.92 c
毯苗机插 MC	40+80	174.85 a	176.23 b	264.55 c
	40+100	167.38 bc	175.42 b	278.03 b
	40+120	161.20 d	169.54 c	266.48 c
	CK	153.73 f	161.70 d	247.23 d
2019
钵苗机插 MT	40+80	174.31 a	183.14 a	298.97 b
	40+100	169.69 bc	184.44 a	317.78 a
	40+120	162.95 d	176.90 bc	300.68 b
	CK	153.01 f	168.06 de	273.60 d
毯苗机插 MC	40+80	176.80 a	178.64 ab	273.84 d
	40+100	172.90 ab	179.62 ab	289.80 c
	40+120	166.40 cd	172.62 cd	275.24 d
	CK	158.60 e	165.62 e	255.64 e
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