水氮耦合对春小麦干物质累积与植株氮素转运的影响

梁伟琴, 贾莉, 郭黎明, 李应兰, 胡亚峰, 陈小花, 马旭凤, 李静

Effects of Irrigation and Nitrogen Application on Dry Matter Accumulation and Nitrogen Transport of Spring Wheat

Liang Weiqin, Jia Li, Guo Liming, Li Yinglan, Hu Yafeng, Chen Xiaohua, Ma Xufeng, Li Jing

表2 不同水氮条件下春小麦各器官氮累积量

Table 2 Nitrogen accumulation in different organs of spring wheat under irrigation and nitrogen application rates kg/hm²

处理Treatment		叶 Leaf	茎 Stem	颖壳+穗轴 Glume+rachis	根 Root	籽粒 Grain	氮总和 Total N
灌水Irrigation	氮Nitrogen	叶 Leaf	茎 Stem	颖壳+穗轴 Glume+rachis	根 Root	籽粒 Grain	氮总和 Total N
W1	N0	4.87cE	14.57cE	12.82dG	3.48cF	72.80cF	108.54cE
	N1	8.91bD	20.17bD	16.35cE	3.25bD	96.87bG	145.55bD
	N2	10.11aC	25.55bD	20.45bD	4.48aBC	124.65aE	185.24aC
	N3	11.27aB	30.51aBC	23.16aC	4.24aC	127.99aE	197.17aC
W2	N0	5.95cE	21.01dE	18.65dE	2.88cE	95.72dG	144.21cE
	N1	9.29bC	26.42cC	20.04cD	4.35bC	142.42cD	202.52bB
	N2	10.18bC	32.39bBC	25.19bB	4.76aA	181.73aA	254.25aA
	N3	14.32aA	37.76aA	28.77aA	4.75aA	179.40bB	265.00aA
W3	N0	6.65dE	17.12cDE	15.29dF	2.56cF	108.49cG	221.03cB
	N1	9.46cC	24.33bD	22.09cD	3.78bD	151.73bC	239.08bB
	N2	11.56bB	32.21aBC	27.61bAB	4.44aBC	171.83aB	255.25aA
	N3	15.29aA	30.62aB	25.65aB	4.12aC	178.19aA	255.12aA
F值F-value
W		43.82^**	30.64^**	82.97^**	29.66^**	316.09^**	289.34^**
N		349.12^**	227.99^**	444.12^**	217.64^**	402.37^**	573.03^**
W×N		6.60^**	9.95^**	2.52^*	0.70	20.56^**	14.87^**