耕作方式与灌水次数对砂姜黑土冬小麦水分利用及籽粒产量的影响

王永华,刘焕,辛明华,黄源,王壮壮,王金凤,段剑钊,冯伟,康国章,郭天财

Effects of Tillage Practices and Irrigation Times on Water Use Efficiency and Grain Yield of Winter Wheat in Lime Concretion Black Soil

WANG YongHua,LIU Huan,XIN MingHua,HUANG Yuan,WANG ZhuangZhuang,WANG JinFeng,DUAN JianZhao,FENG Wei,KANG GuoZhang,GUO TianCai

表3 两年度各处理田间基本苗及播前各土层土壤含水量

Table 3 Basic seedling number under different treatments and soil moisture content in different soil depths before sowing of two years

年份 Year	处理 Treatment		基本苗数 Basic seeding number (10⁴·hm^-2)	土壤含水量 Soil moisture content (%)
年份 Year	处理 Treatment		基本苗数 Basic seeding number (10⁴·hm^-2)	0-20 cm	20-40 cm	40-60 cm	60-80 cm	80-100 cm
2015-2016	旋耕RT	W0	251.04	32.87	33.66	31.8	25.38	22.32
		W1	258.84	32.87	33.66	31.8	25.38	22.32
		W2	278.11	32.87	33.66	31.8	25.38	22.32
	深松SS	W0	283.1	31.89	32.73	30.64	23.96	20.5
		W1	285.37	31.89	32.73	30.64	23.96	20.5
		W2	308.11	31.89	32.73	30.64	23.96	20.5
2016-2017	旋耕RT	W0	331.42	31.85	32.62	30.81	24.6	21.63
		W1	337.1	31.77	32.54	30.74	24.53	21.57
		W2	338.81	32.55	33.34	31.5	25.14	22.1
	深松SS	W0	333.12	30.42	31.22	29.22	22.86	19.55
		W1	339.37	31.91	32.75	30.66	23.98	20.51
		W2	344.3	31.91	32.75	30.66	23.98	20.51