高粱为我省栽培的主要作物之一,每年农田除草要花费大量劳力,在生长季常因除草不及时而影响产量。要战胜草害,采用化学除草是一种省工而有效的办法。据各地调查,旱田每亩最少可节省用工2～3个,不仅提高了劳动生产率,也大大减轻了社员的 Sorghum is one of the main crops cultivated in our province. Every year weeding on farmland takes a lot of labor, and in the growing season, the yield is often affected by the weeding not being timely. To defeat grass damage, the use of chemical weeding is a labor-saving and effective way. According to surveys, the dry land can save at least 2 to 3 workers per mu, which not only improves labor productivity but also greatly reduces the members’