内蒙古黄土高原秸秆还田对玉米农田土壤水热状况及产量的影响

刁生鹏,高日平,高宇,任永峰,赵沛义,袁伟,高学峰

Effects of Straw Returning on Soil Hydrothermal and Yield of Maize in Loess Plateau of Inner Mongolia

Shengpeng Diao,Riping Gao,Yu Gao,Yongfeng Ren,Peiyi Zhao,Wei Yuan,Xuefeng Gao

表3 秸秆还田对玉米子粒产量、耗水量和水分利用效率的影响

Table 3 Effects of straw returning on grain yield, water consumption and water use efficiency of maize

年份 Year	处理 Treatment	产量 (kg/hm²) Yield	耗水量(mm) Water consumption	水分利用效率 [kg/(hm²·mm)] Water use efficienty	与CK相比较Compared with CK
年份 Year	处理 Treatment	产量 (kg/hm²) Yield	耗水量(mm) Water consumption	水分利用效率 [kg/(hm²·mm)] Water use efficienty	产量(%) Yield	耗水量(mm) Water consumption	水分利用效率(%) Water use efficienty
2017	CK	7 841d	399.56a	19.62c
	SF1	8 464c	405.76a	20.85b	7.9	6.20	6.27
	SF2	8 756a	406.18a	21.56a	11.7	6.62	9.89
	SF3	8 521b	405.91a	20.99b	8.7	6.35	6.98
2018	CK	7 872c	402.29a	19.56c
	SF1	8 541b	406.75a	20.99b	8.5	4.46	7.31
	SF2	8 769a	407.81a	21.50a	11.4	5.52	9.92
	SF3	8 602b	406.87a	21.14b	9.3	4.58	8.08