宁夏永宁县水稻旱直播生产技术由于具有省工、产量高、品质优等特点已被生产者所认可,面积年年呈扩大趋势。2001年占全县水稻生产总面积的三分之一左右。但水稻旱直播生产中的草害却是生产中的一大难题,过去农民一直采用人工除草或苗后药剂除草的方法,效果均不太理想。根据克无踪触土即钝化的特点,笔者从1999年开始 Ningxia Yongning rice dry direct seeding production technology due to the provincial workers, high yield, excellent quality and other characteristics have been recognized by the producers, the area is expanding every year. In 2001 the county accounted for about one-third of the total area of ​​rice production. However, grass planting in direct seeding rice is a major problem in production. In the past, peasants used artificial weeding or post-emergence pesticide weeding methods, and the results were not satisfactory. According to grams of traceless touch soil that is passive characteristics, the author from 1999 onwards