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通过该项研究表明：根圈深度浅的和无灌水区的土壤ＰＦ值高，其值达到２．３～２．６时作为春小麦需水的田间灌溉指标；单位面积根长、表面积、体积和根干重（根密度则相反）、株高、平均分蘖数，平均穗数随根圈深度的增加而增加，奠定了丰产的物质基础。１０和２０ｃｍ浅根区内实施喷灌比无灌水的植株地上部干物重，开花期分别增加９８和９４ｇ／ｍ￣２，收获期分别增加７４和９３ｇ／ｍ￣２，籽实干物重分别增加２９和４４ｇ／ｍ￣２，干物重比率增加１．８％，穗数增加４３个／ｍ￣２，穗粒数增加１．３和０．６粒，千粒重变幅小，约３３ｇ左右，每亩分别增产１３．９％和１６％。但仍以深根区比浅根区内小麦分别增产５７．８％和２９．５％为高。总之，在浅根区实施喷灌或加深耕层，促进根系发达，是旱作区提高春小麦产量的重要途径。
The results of this study showed that the soil PF with high root depth and no irrigation area had high PF value and reached the field irrigation index of spring wheat water requirement of 2.3 ~ 2.6. The root length, surface area, volume and Root dry weight (on the contrary, root density), plant height, average number of tillers, the average number of ears with the root circle increased the depth of the increase, laying a solid material foundation. Dry matter weights of shoots in 10 and 20 cm shallow root zone were higher than those of non-irrigation shoots by 98 and 94 g / m ~ 2, respectively, and 74 and 93 g / m ~ 2 respectively at harvest and 29 and 44 g / M ~ 2, dry matter weight increased 1.8%, panicle increased 43 / m ~ 2, grain number increased 1.3 and 0.6 grains, thousand grain weight amplitude is small, about 33g, increased yield per acre 13.9% and 16%. But still higher than the root zone of wheat in the root zone yield 57.8% and 29.5% respectively. In conclusion, sprinkling irrigation or deepening plowing in the shallow root zone and promoting root development are important ways to increase spring wheat yield in the dry farming areas.