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旱地干旱年型下，在关键时期采用地下渗灌补水技术，通过对不同时期渗灌、不同渗水量及埋管深度与土壤水分运行状况和经济效益的研究分析表明，小麦孕穗期，冬渗土壤水分经下渗后积聚在１００ｃｍ～１５０ｃｍ土层，比对照高３．４１个百分点；而春渗多积聚在２０ｃｍ～５０ｃｍ土层，比对照高２．２５个百分点。由于根系密集层与水分积聚层基本吻合，因此有利于小麦抽穗时期的生长发育，提高了水分利用率，春渗小麦比对照增产３３．７％。不同渗水量试验，以每公顷渗水３００ｍ３的土壤水分变化较为明显，比对照增产２７．３％；渗灌埋管深度由浅到深，水分下渗规律也呈同样趋势，根据小麦发育需水规律，以埋深２０ｃｍ较为理想。
Under the arid dry year type, underground infiltration irrigation and water replenishment technology was adopted in the critical period. Through the analysis and study on the infiltration irrigation, different water seepage and soil depth and soil moisture status and economic benefits in different periods, Water infiltration after the accumulation of 100cm ~ 150cm soil layer, 3.41 percentage points higher than the control; and spring infiltration more accumulation in 20cm ~ 50cm soil layer, 2.25 percentage points higher than the control. As the root dense layer and the water accumulation layer basically consistent, it is conducive to the growth of wheat heading stage, increased water use efficiency, spring infiltration of wheat yield 33.7% more than the control. In different water seepage test, the soil water change per 300 m 3 per hectare was more obvious, which increased by 27.3% than the control. The depth of seepage irrigation pipe was shallow to deep, and the law of water infiltration was also the same. According to the law of wheat water requirement, Depth to 20cm is more ideal.