水肥“三匀”技术对水稻水、氮利用效率的影响

杨志远,李娜,马鹏,严田蓉,何艳,蒋明金,吕腾飞,李郁,郭翔,胡蓉,郭长春,孙永健,马均

Effects of methodical nitrogen-water distribution management on water and nitrogen use efficiency of rice

Zhi-Yuan YANG,Na LI,Peng MA,Tian-Rong YAN,Yan HE,Ming-Jin JIANG,Teng-Fei LYU,Yu LI,Xiang GUO,Rong HU,Chang-Chun GUO,Yong-Jian SUN,Jun MA

表5 水氮管理对不同氮效率水稻产量及物质生产转运的影响(试验3: 涪城, 2017)

Table 5 Effects of nitrogen-water management modes on yield and dry matter production and transportation of hybrid rice with different N use efficiencies (Exp. 3: Fucheng, 2017)

因素 Factor	处理 Treatment	花前干物质积累 DMBF (kg hm^-2)	花后干物质积累 DMAF (kg hm^-2)	总干物质积累 TDM (kg hm^-2)	花前物质转运 TDMBF (kg hm^-2)	收获指数 HI (%)	产量 Yield (kg hm^-2)
品种 Cultivar (C)	D4103	12050 a	5682 a	17732 a	3457 a	51.57 a	10565 a
	F498	12173 a	5668 a	17441 a	3513 a	52.72 a	10613 a
	Y3724	10525 b	4733 b	15258 b	3264 a	52.47 a	9245 b
	C6203	10437 b	4810 b	15247 b	3200 a	52.55 a	9261 b
氮肥管理 Nitrogen management (N)	FU	10635 c	4297 c	14932 c	3579 a	52.78 a	9105 b
	NWC	11811 a	5137 b	16948 b	3758 a	52.49 a	10283 a
	MNWD	11443 b	5936 a	17389 a	3039 b	51.72 a	10375 a
F值 F-value	C	21.36^**	6.11^**	23.52^**	1.53^NS	0.51^NS	31.53^**
	N	39.40^**	1.33^NS	18.92^**	0.85^NS	0.37^NS	28.11^**
	N*C	0.19^NS	0.05^NS	0.08^NS	0.12^NS	0.26^NS	0.32^NS