为了提高土地利用率和经济效益,不应忽视多种形式的间作套种。据高州农民的实践经验,早春期间间作套种有下列形式:一、粮烟结合。利用冬种番薯畦边套种红烟,既有粮食又有红烟经济作物,实现粮钱双收。二、粮肥结合。利用冬种绿肥紫云英田里间种玉米,既不影响绿肥,又有玉米收获,石鼓镇农民曾经采用这种做法,效果很好。 In order to increase land utilization and economic benefits, many forms of intercropping should not be overlooked. According to the practical experience of farmers in Gaozhou, intercropping during the early spring has the following forms: First, the combination of grain and tobacco. The use of winter seed potatoes sweet potato intercropping red smoke, both cash crops and cash crops, to achieve double income grain and money. Second, the combination of grain and fat. Use of winter green aloe vetiver field between the corn, neither affect green manure, corn harvest, Shigu town farmers have adopted this approach, the effect is very good.