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4 水氮管理对不同氮效率水稻产量及物质生产转运的影响(温江, 2015)

Table 4 Effects of nitrogen-water management modes on yield and assimilate production and transportation of hybrid rice with different N use efficiencies (Wenjiang, 2015)

试验Experiment	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)
试验1 Exp.1 (低肥力土壤 Low fertility soil)	品种 Cultivar (C)	D4103	9730 a	4504 a	14234 a	2828 a	51.89 a	8476 a
	品种 Cultivar (C)	Y3724	8352 b	4079 a	12431 b	2266 a	51.40 a	7335 b
	氮肥管理 Nitrogen management (N)	CTF	7169 d	4116 c	11285 c	1788 d	52.31 bc	6826 c
		FU	10608 c	3870 cd	14478 b	3593 a	51.52 c	8627 b
		CTN	7112 d	3471 d	10583 d	2267 c	54.19 a	6633 cd
		NWC	11672 a	4880 b	16523 a	3321 a	49.56 d	9481 a
		CTM	6425 e	4089 c	10514 d	1518 d	53.36 ab	6482 d
		MNWD	11262 b	5322 a	16584 a	2795 b	48.94 d	9384 a
	F值 F-value	C	627.67^**	7.50^NS	109.66^**	12.21^*	0.39^NS	1857.57^**
		N	709.04^**	24.34^**	619.84^**	41.51^**	14.19^**	453.60^**
		N*C	4.63^**	0.37^NS	1.52^NS	1.00^NS	0.51^NS	0.88 ^NS
试验2 Exp.2 (高肥力土壤 High fertility soil)	品种 Cultivar (C)	D4103	10975 a	5605 a	16570 a	2697 a	51.41 a	9598 a
	品种 Cultivar (C)	Y3724	9572 b	4760 b	14332 b	2575 a	50.42 a	8479 b
	氮肥管理 Nitrogen management (N)	CTF	8220 c	4542 d	12762 d	2103 c	52.18 a	7683 d
		FU	11438 b	4376 d	15814 b	3666 a	50.88 ab	9297 b
		CTN	8414 c	4690 cd	13104 cd	2170 bc	52.34 a	7930 c
		NWC	12832 a	5811 b	18643 a	3383 a	49.35 bc	10629 a
		CTM	8138 c	5199 c	13337 c	1789 c	52.42 a	8078 c
		MNWD	12570 a	6477 a	19047 a	2705 b	48.30 c	10615 a
	F值 F-value	C	10239.23^**	34.95^*	274.65^**	1.04^NS	4.68^NS	168.41^**
		N	551.69^**	17.95^**	403.04^**	16.38^**	9.54^**	264.27^**
		N*C	1.93^NS	1.80^NS	4.26^**	1.37^NS	1.32^NS	1.24^NS