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论述了保持耕作的发展与内涵 ,分析了保持耕作研究的现状与存在问题。阐述了高留茬深松技术的原理 ,并组装集成旱作农业保持耕作技术体系 ,以提高水分利用率与利用效率为核心 ,实施动态的田间管理技术 ,做到以种节水、以肥调水、以耕蓄水、以材料保水
The development and connotation of conservation tillage are discussed. The status quo and existing problems of conservation tillage research are analyzed. The principle of subsoiling with high stubble and high yielding stubble was elaborated and the integrated technical system of farming and maintaining tillage system was put forward to improve the water use efficiency and utilization efficiency. The dynamic field management technique was adopted to achieve the goal of saving water and fertilizer Water, plow water, to keep water