间作和套种,在晋北不少地区采用结果,适应范围很广,产量稳定可靠,是粮食增产的一项重要措施。一、间作和套种是综合运用各项增产措施的新栽培法公社化以前,晋北农民原有种带田的习惯,如高粱、玉米地内带黑豆,谷子地里带小豆等。一般均为两种作物混播,出苗后在缺苗 Intercropping and intercropping. The results were adopted in many areas in northern Shanxi. The adaptability range is very wide and the output is stable and reliable, which is an important measure to increase grain output. I. Intercropping and Interplanting Are New Cultivation Methods that Comprehensively Use Various Stimulation Measures Before the establishment of the communal society, the peasants in northern Shanxi had the habit of bringing the fields with their own. For example, they brought black beans and millet beans in the millet fields to the sorghum and corn fields. Generally are two kinds of crop mixed broadcast, seedling after emergence