不同栽培模式土壤水分动态变化研究初报

通过渭北西部旱原小麦不同栽培模式、播量与施肥量的田间试验，研究了土壤水分动态变化。结果表明：不同栽培模式土壤水分变化趋势基本一致；平覆膜与垄上覆膜垄沟种植均有良好的保墒和集水作用；覆草具有一定的保墒作用，在小麦生长前期及40cm以上的土层中效果明显。

Primitive Study on the Dynamic Changing of Soil Moisture under Different Cultivation Patterns

The dynamic changes of the soil moisture was studied based on the research on the cultivation patterns, seeding rate, fertilizer application of during wheat farming in the west region on Weibei arid plain. The results showed that the changing tendency of the soil moisture is relatively consistent under different, the patterns of plain film-covering and the pattern of ridge-covering with seeding between ridges both maintained humidity and collected water well and that grassmulch technique could hold moisture to some extent, especially at first stages-of wheat development and at the soil depth of over 40 cm.