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赤豆又称红小豆,是南通市沿海旱作地区的传统作物,也是城乡人民喜爱的辅助食品,历史上曾是当地的名牌出口商品。赤豆的营养比较丰富,籽粒含蛋白质25％左右,可溶性糖3％左右,还有各类维生素和磷、铁等多种人体必须的元素。 赤豆的传统种植方法是春播,与春玉米同时播种,一般每2～3穴玉米间作一棵赤豆。玉米组合5.5～6尺,前茬蚕豆(麦子)收获后,再在玉米行间套种夏大豆,实行玉米,赤豆、大豆三夹种。这种种植方法,花工较多,管理不便,赤豆产量不高。为节省劳力,简化栽培,提高经济效益,我们试把间作春赤豆改为套种秋赤豆。
Red bean, also known as red bean, is a traditional crop in coastal dry farming areas in Nantong City, and is also a favorite food for urban and rural residents. Historically, it was a famous local brand export commodity. Red bean nutrition is rich in grain about 25% protein, soluble sugar 3%, there are all kinds of vitamins and phosphorus, iron and other essential elements of the human body. The traditional method of planting red beans is spring sowing, sowing with spring corn at the same time, usually making a red bean between 2-3 acre corn. Corn combination of 5.5 to 6 feet, the former crop beans (wheat) after harvest, then intercropping summer soybean maize line, the implementation of corn, red bean, soybean three clip. This planting method, more flower workers, management inconvenience, yield is not high. In order to save labor, simplify cultivation and improve economic efficiency, we try to intercropping red bean instead of intercropping autumn red bean.