【摘要】 保护性耕作技术取消了铧式犁翻地,采用机械化的各种技术手段,地面保留了大量的秸秆残茬作为覆盖物,减少了土壤水蚀、风蚀,保护了生态环境;并可实现保水、保土、保肥,减少作业成本,增加粮食产量。为此,介绍了保护性耕作技术及其机械的现状与发展趋势,为保护性耕作机械化的发展提供参考。更多还原

【Abstract】 The protection tillage machine cancelled plough share the type plow to turn,used mechanized each technical method,the ground retains the massive straw stalk remnant stubble to take the cover,reduced the soil water erosion,the wind erosion,has protected the ecological environment;and may realize guarantees the water,guarantees the earth,protects fertilizer,reduces the cost of operation,the increase grain yield.更多还原