湖北省老河口及襄阳北部,探索“麦—菜—瓜—棉”一年四热复合高效种植模式,经济效益显著。采用这种模式,667平方米可收获小麦250千克左右,西瓜2200千克左右,皮棉40多千克,蔬菜2000多千克,收入可达2500～3000元。 1.种植方式与茬口安排 厢宽2.5米,净厢面2.3米,正中留0.88米棉花预留行,两边靠厢沟各 Laohekou of Hubei Province and the northern part of Xiangyang and explored the four-heat compound high-efficiency planting mode of “wheat-vegetable-melon-cotton” one year with obvious economic benefits. Using this model, 667 square meters can harvest about 250 kilograms of wheat, about 2200 kilograms of watermelon, lint more than 40 kilograms, more than 2,000 kilograms of vegetables, income up to 2500 ~ 3000 yuan. 1. Cropping arrangements and stubble arrangements Xiangwan 2.5 meters wide, 2.3 meters net car side, leaving 0.88 meters in the middle of the cotton reservation line, on both sides by the ditch each