胡麻在我县一年一作种植,已有多年历史,大多种在山、川旱地,亩产不到百斤。在地少人多的黄河灌区,因胡麻一种一收的经济效益不大,所以种植面积逐年减少。为了充分利用靖远黄灌区优越的水肥热等自然资源,增加社会财富,解决群众吃油问题,1980年和1981年我们对胡麻复种问题做了试验研究和示范。一、试验材料、方法和结果1980年试验地选用本所水浇地,前茬为小 Flax planting in our county for one year, has many years of history, most of the mountains, drylands, less than per kilogram yield. In the Yellow River irrigated area where there are few people, the acreage is reduced year by year due to the small economic benefits of flax. In order to make full use of the natural resources such as water and heat in Jingyuan Yellow River Irrigation Area, increase social wealth and solve the problem of eating oil, we made experimental study and demonstration on flaxseed in 1980 and 1981. First, the test materials, methods and results In 1980, the test site to choose the irrigated area, the former crop is small