四川是名优白酒的集中产地,高粱是酿制名优白酒的优质原料,因此在农业生产中具有重要的历史地位。高粱种植极为费工、费时,加之现在农村劳动力严重匮乏,严重制约四川高粱的发展。杂草的防治就是高粱生产中极 Sichuan is the concentrated origin of famous white liquor. Sorghum is a good raw material for brewing famous liquor and therefore has an important historical position in agricultural production. Sorghum cultivation is extremely labor-intensive, time-consuming, coupled with the current serious shortage of rural labor force, a serious constraint on the development of sorghum in Sichuan. Weed control is sorghum production in the very