临清市是个老棉区,常年种植棉花面积50万亩左右,花生3万多亩。近几年棉花产量出现了下降的趋势。因此,采取间作套种,大搞立体种植,实行集约化经营,提高单位面积上的经济效益,增加棉农收益势在必行。根据我市棉花生产情况,1985年我们引进试种了2258早熟小豌豆,当年亩产100公斤,1986年又与棉花、花生套种每亩收入豌豆117.8公斤, Linqing City is an old cotton area, perennial cotton planting area of ​​about 500000 acres, peanut 30000 acres. In recent years, cotton production has shown a downward trend. Therefore, it is imperative to adopt intercropping, large-scale three-dimensional planting, intensive management, improvement of economic efficiency per unit area and increase of cotton farmers’ income. According to the cotton production in our city, in 1985 we introduced 2258 precocious peas, when the mu yield of 100 kg in 1986 and cotton, peanut intercropping 117.8 kg per acre income peas,