在江苏里下河棉区 ,于棉花生长前期的棉行空幅中 ,可套播收青的地膜春花生、春毛豆和甜嫩玉米等 ,棉花套播行的行距宜保持在 1 2 0— 1 30cm ,套播的高、矮杆作物与棉株之间的间距分别适宜保持在 60cm与 40cm以上。同时 ,套播作物的清茬离田尽量确保在 7月上旬之前。这样 ,棉田的综合经济效益可得到明显提高 In Jiangsu Lixiahe cotton area, in the cotton growth rate of the cotton in the early stage of cotton, the film can be sowing the plastic film spring peanut, spring soybeans and sweet corn, cotton line spacing should be maintained at 120 ~ 1 30cm, set of sowing high, dwarf barley crops and cotton spacing between appropriate to maintain at 60cm and 40cm above. At the same time, set crop sown stubble from the field as far as possible to ensure that before the beginning of July. In this way, the comprehensive economic benefits of cotton fields can be significantly improved