旱地玉米秸秆覆盖节水保墒效果分析

Analysis of Dry-land Corn Straw Mulch Water-saving Soil Moisture

旱地玉米秸秆覆盖具有明显的保墒节水效果,且取材方便、省工省事。耕层土壤含水量随着覆盖量的增大而增加,但在玉米整个生育期内不同秸秆覆盖量土壤含水量比较,前期差异大,后期差异小。持续干旱情况下半耕覆盖保墒效果比地膜覆盖要好。

Dry land corn straw mulch has obvious effect of preserving soil moisture, water, and based convenience. Topsoil moisture increased with the amount of coverage increased, but in the entire reproductive period of corn straw mulch different soil moisture comparison, the differences between the early were big and the late were little. Continuing drought in the second half cultivation coverage preserving soil moisture is better than mulching.