深松覆盖对旱地土壤性状及马铃薯产量的影响研究

Effects of Deep Pine Mulch on Soil Traits and Potato Yield in Drylands

该研究针对宁南旱作区土壤有效耕层浅、降水不足、水分蒸发严重等问题,全面阐述了深松结合覆盖的保护性耕作方式,以改善土壤性状,提高土壤通气性,改变土壤环境,有效打破犁底耕层结构,对降低土壤容重的效果显著,进一步增加土壤降雨入渗,提高土壤有效蓄积雨水及其土壤增温保墒能力,进而提高马铃薯的产量,为宁南旱作马铃薯高产种植模式的选育提供了一定的理论依据。

Aiming at the problems of shallow soil effective ploughing layer,insufficient precipitation and serious water evaporation in the dry farming area of southern Ningxia,this study comprehensively expounds the protective tillage method of subsoiling combined with mulching,to improve soil properties,improve soil aeration,change soil environment,and effectively break the plow bottom layer structure.The plough bottom plough layer structure has a significant effect on reducing soil bulk density,further increasing soil rainfall infiltration,which is conducive to the effective accumulation of rainwater in the soil and its soil temperature and moisture retention,thereby improving the potato yield and providing some theoretical basis for the high-yield planting mode of potato in South Ningxia.