直播稻作为一项省工节本、增产增收 ,具有显著经济效益的轻型栽培技术 ,深受农民的欢迎 ,种植面积不断扩大。但由于直播稻与杂草同步生长 ,水稻前期干湿栽培 ,十分有利于老草复活和新草的萌发生长 ,稻田草害已成为阻碍直播稻优质高产和大面积推广应用的主要因素。为了明确直播? Direct-seeded rice as a provincial section of the work, increase production and income, with significant economic benefits of light cultivation techniques, welcomed by farmers, growing area. However, because of the simultaneous growth of direct seeding rice and weeds, pre-wet and dry rice cultivation is very conducive to the revival of old grasses and the germination and growth of new grasses. It has become a major factor that hinders the direct and good quality of direct seeding rice and large-scale popularization and application. In order to clearly broadcast?