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结果表明,在干旱、半干旱一年两熟地区发展保护性耕作技术是可行的.采取保护性耕作在经济上合理,能够促进生态环境的有序循环,对发展持续性农业具有重要意义.本研究对配套机具进行了选型,并为推广保护性耕作技术制定了作业流程图.“,”The feasibility of protective tillage was introduced in this paper .The experiment showed that the techniques of protective tillage were reasonble in economy.It can prompt the correct circulation for the ecological environment. It also can be used in the production widely.The needed machinery was selected and the operating schames was drawn up in order to demonstrate this kind of technique.