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近几年以来,随着国家对农业生产重视程度的不断加强,粮油作物产量得到了相应提高。但是在许多地方,由于人们习惯沿用传统的耕作方式进行农业生产,导致耕地土壤裸露,风蚀、水蚀严重,加剧了土壤贫瘠和生态环境的恶化。造成农田土壤物质与能量的收支失衡,农业生态系统恶化。为了改变这种不良循环,很多地方开始研究改良传统耕作方式,试验推广以少耕、免耕为主的保护性耕作技术。1保护性耕作技术保护性耕作主要包括四项技术内容:一是改革铧式犁翻耕土壤的传统耕作方式,实行免耕或少耕。免耕就是除播种之外不进行任何耕作。
In recent years, with the continuous strengthening of the state’s emphasis on agricultural production, grain and oil crop yields have been correspondingly increased. However, in many places, because people are accustomed to using traditional methods of farming for agricultural production, resulting in arable land bare soil, wind erosion, water erosion, aggravating the poor soil and the deterioration of the ecological environment. Resulting in unbalanced income and expenditure of farmland soil material and energy, aggravated agricultural ecosystem. In order to change this bad cycle, many places began to study ways to improve traditional farming methods and experimentally promoted conservation tillage technologies that focused on less tillage and no tillage. 1 Conservation tillage technology Conservation tillage mainly includes four technical contents: First, to reform the traditional plow tillage plow tillage practices, the implementation of no-tillage or less tillage. No-till means no farming other than sowing.