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河北省乐亭县中堡乡为了充分利用当地资源,解决人多地少、粮菜争地的矛盾,提高单位面积产量和经济效益,近两年来,在种植结构调整过程中,探索出豌豆、玉米、夏白菜、秋菜花间作套种栽培模式。试验示范结果表明,平均亩产豌豆300公斤、玉米520公斤、夏白菜3500公斤、秋菜花2000公
In order to make full use of local resources, Zhongbao Township, Laoting County, Hebei Province, to solve the contradiction between people and land and land for food and vegetables, and to improve output per unit area and economic benefits, in recent two years, peas, Corn, summer cabbage, autumn intercropping cultivation mode. Experimental demonstration results show that the average yield per mu 300 kg of peas, 520 kg of corn, summer cabbage 3500 kg, autumn cauliflower 2000