不同叶龄蘖、穗氮肥组合对粳稻产量及氮素利用的影响

王艳,易军,高继平,张丽娜,杨继芬,赵艳泽,辛威,甄晓溪,张文忠

Effects of precision leaf age fertilization on yield and nitrogen utilization of
japonica rice

Yan WANG,Jun YI,Ji-Ping GAO,Li-Na ZHANG,Ji-Fen YANG,Yan-Ze ZHAO,Wei XIN,Xiao-Xi ZHEN,Wen-Zhong ZHANG

表4 2016年不同氮肥运筹对各处理产量及其构成的影响

Table 4 Effects of different nitrogen fertilizers on yield and its component of each variety in 2016

品种 Cultivar	基蘖肥:穗肥 B:P	处理时期 Treatment	每筒有效穗数 No. of panicles per pot	每穗粒数 No. of grains per panicle	结实率 Filled-grain percentage (%)	千粒重 1000-grain weight (g)	每筒实测产量 Yield per pot (g)
吉粳88 Jigeng 88	8:2	(6, 11)^#	21.6±2.4 ab	139.8±5.9 c	89.2±4.0 abcd	21.3±0.4 bc	56.8±0.8 b
		(6, 13)	18.2±0.5 b	137.3±4.7 c	86.9±3.5 cd	20.4±0.2 cd	52.8±0.4 b
		(7, 11)	23.6±2.6 ab	139.0±10.8 c	88.5±5.1 abcd	21.1±1.2 bc	60.0±2.8 b
		(7, 13)	24.0±2.1 ab	120.0±1.0 d	87.1±0.0 bcd	21.0±0.6 bc	52.8±3.4 b
		(8, 11)	26.2±3.6 a	146.6±14.4 abc	90.5±0.3 abcd	19.3±2.0 d	67.2±5.4 ab
		(8, 13)	23.2±0.8 b	134.8±4.9 c	92.1±0.2 ab	21.1±1.1 bc	60.8±4.0 b
	6:4	(6, 11)	22.0±2.0 ab	159.3±7.4 a	86.1±2.3 d	21.0±0.4 bc	62.4±0.4 ab
		(6, 13)	18.2±0.5 b	146.7±2.1 abc	91.5±1.1 abc	20.8±0.1 bc	54.4±0.4 b
		(7, 11)	24.6±1.2 ab	143.4±10.5 bc	91.5±3.3 d	21.1±1.3 bc	64.8±4.0 b
		(7, 13)	19.8±1.2 ab	134.0±7.9 c	92.1±1.4 abcd	21.9±0.2 b	52.8±2.8 b
		(8, 11)	25.2±1.2 a	155.4±11.7 ab	93.1±2.2 a	20.9±0.6 bc	76.0±1.6 a
		(8, 13)	25.0±1.5 a	136.4±11.3 c	91.1±2.5 abc	20.5±0.5 bcd	63.2±1.2 ab
	N0	(0, 0)	10.2±0.5 c	114.0±3.5 d	89.5±2.9 abcd	23.7±0.9 a	24.8±2.4 c
沈农265 Shennong 265	8:2	(7, 12)	18.0±0.8 c	155.8±8.3 ab	86.0±1.1 def	24.1±0.4 abc	57.6±1.2 ef
		(7, 14)	18.8±0.4 c	147.0±2.2 bcd	83.5±1.4 f	24.0±0.2 abc	55.2±0.4 f
		(8, 12)	21.2±1.0 abc	134.0±4.5 e	90.8±1.0 ab	23.7±0.1 bcd	60.8±1.6 def
		(8, 14)	21.6±0.8 abc	136.8±7.8 de	87.8±2.3 cde	23.0±0.6 ef	59.2±2.4 ef
		(9, 12)	23.6±1.4 ab	149.3±9.4 bc	88.8±1.6 bcd	22.8±0.4 f	71.2±1.2 b
		(9, 14)	19.2±0.7 c	149.3±7.3 bc	91.4±0.4 a	23.5±0.4 de	61.6±1.2 def
	6:4	(7, 12)	22.0±2.0 abc	142.5±8.2 cde	86.8±1.0 cde	22.8±0.4 f	61.6±3.2 de
		(7, 14)	18.0±0.8 c	162.0±7.8 a	84.1±1.8 f	24.2±0.1 ab	59.2±1.6 ef
		(8, 12)	23.6±2.0 ab	155.3±10.2 ab	85.2±3.4 ef	22.0±0.3 g	68.0±2.4 bc
		(8, 14)	19.6±1.4 c	152.5±9.9 abc	88.8±0.5 bcd	24.2±0.2 ab	64.0±2.4 cde
		(9, 12)	24.4±1.4 a	149.3±4.5 bc	91.3±2.5 ab	23.2±0.8 def	76.8±1.2 a
		(9, 14)	20.4±1.2 bc	150.8±7.5 abc	89.7±3.0 abc	24.3±0.1 a	66.4±2.4 bcd
	N0	(0, 0)	10.4±0.7 d	115.0±4.2 f	95.4±0.7 a	24.2±0.2 ab	27.2±1.2 g
沈农1401 Shennong 1401	8:2	(8, 13)	18.0±0.8 abcd	142.3±18.2 abc	70.3±9.0 abcd	26.0±1.0 ab	66.4±4.4 bcd
		(8, 15)	15.6±1.4 de	144.5±4.0 abc	76.8±1.3 a	26.5±0.7 a	59.2±3.6 de
		(9, 13)	17.6±1.1 bcde	133.3±8.4 cd	66.3±8.7 abcd	25.2±0.5 abc	59.2±2.8 de
		(9, 15)	17.2±0.4 bcde	119.8±9.3 d	62.4±10.9 bcd	26.7±0.8 a	55.2±2.4 e
		(10, 13)	18.4±0.5 abc	152.3±12.6 ab	64.1±6.3 abcd	24.7±0.8 bc	68.8±3.6 abc
		(10, 15)	16.0±0.7 cde	138.5±15.9 bc	70.6±10.3 abc	26.2±1.1 ab	57.6±3.2 de
品种 Cultivar	基蘖肥:穗肥 B:P	处理时期 Treatment	每筒有效穗数 No. of panicles per pot	每穗粒数 No. of grains per panicle	结实率 Filled-grain percentage (%)	千粒重 1000-grain weight (g)	每筒实测产量 Yield per pot (g)
沈农1401 Shennong 1401	6:4	(8, 13)	18.8±1.0 ab	151.5±5.4 ab	61.2±3.9 cd	25.4±0.3 abc	72.0±2.4 ab
		(8, 15)	17.2±0.4 bcde	138.5±1.7 bc	63.6±4.0 abcd	26.1±0.9 ab	62.4±0.8 cde
		(9, 13)	18.4±0.5 abc	131.3±4.3 cd	56.7±5.8 d	26.6±0.6 a	64.0±1.2 bcd
		(9, 15)	16.0±0.7 cde	144.8±4.5 abc	75.3±5.3 ab	26.0±0.6 ab	60.0±2.0 de
		(10, 13)	20.4±1.0 a	155.3±8.1 a	71.3±6.7 abc	24.1±1.9 c	76.0±1.6 a
		(10, 15)	15.2±0.5 e	149.3±11.2 ab	66.5±7.6 abcd	26.2±1.3 ab	59.2±1.6 de
	N0	(0, 0)	8.0±0.7 f	103.0±4.5 e	64.9±9.3 abcd	25.5±0.8 abc	20.8±1.2 f