机械化保护性耕作的技术体系与应用效果

Technical System and Applied Result of Mechanization Conservation Tillage

农业保护性耕作技术是当今国际上先进的农业生产技术。实施以残茬覆盖和免耕、少耕为主要内容的机械化保护性耕作,可以减少地表径流,避免土壤流失,降低土壤风蚀,增加土壤有机质含量,改善耕地肥力及理化性状,是实现保土、保水、保肥和保持生态环境的重要措施,是旱作农业实现可持续发展的重要途径。

The technique of conservation tillage is one of the most advanced agricultural techniques in the world. It could decrease flow on surface of fields,protect soil from water and wind erosion,increase organic matter content in soil,improve physical and chemical character and fertility of soil,which contained methods of free and little tillage and cover of field with remaining stubble. It was also the linchpin way to realize sustainable development of arid farming,which could keep soil,water,fertilizer in fields and improve environment of ecology.