播种方式和播量对干旱区旱地小麦土壤水分利用及产量的影响

罗晓颖, 房彦飞, 胡冬平, 唐江华, 徐文修, 王怀港

Effects of Sowing Methods and Sowing Rates on Soil Water Use and Yield of Dryland Wheat in Arid Region

Luo Xiaoying, Fang Yanfei, Hu Dongping, Tang Jianghua, Xu Wenxiu, Wang Huaigang

表3 播种方式和播量对旱地小麦水分利用效率的影响

Table 3 Effects of sowing methods and sowing rates on water use efficiency of dryland wheat

播种方式 Sowing method	播量 Sowing rate	水分利用效率 WUE [kg/(mm·hm²)]	降水生产效率 RUE [kg/(mm·hm²)]	总耗水量 Total soil water consumption (mm)
C1	D1	9.64d	10.05d	249.12ef
	D2	10.72bcd	11.29bcd	251.80bcde
	D3	10.02cd	10.49cd	250.41cdef
	D4	9.65d	10.01d	247.92f
	均值	10.01B	10.46B	249.81C
C2	D1	11.81abc	12.39abc	250.95cdef
	D2	12.64a	13.43a	254.06abc
	D3	12.01ab	12.64ab	251.73bcde
	D4	11.48abc	12.01abc	250.17def
	均值	11.99A	12.62A	251.73B
C3	D1	11.97abc	12.47ab	252.99abcd
	D2	12.64a	13.50a	255.35ab
	D3	12.98a	13.92a	256.52a
	D4	11.62abc	12.25abc	251.97bcde
	均值	12.30A	13.04A	254.21A
F值 F-value	C	75.79^**	65.75^**	29.01^**
F值 F-value	D	9.67^**	9.74^**	12.93^**
	C×D	0.29	0.37	0.55