在重盐碱地棉田,采用老沟种植,可有效地改善土壤理化性状,减轻盐碱危害,对棉花播种保苗、早发增产有明显的效果。该项措施简单易行,经济有效,为开发利用盐碱荒地植棉开辟了新途径。 In the heavy saline soil cotton fields, the use of old ditch planting, which can effectively improve the physical and chemical properties of the soil, reduce the harm of salt and alkali, cotton sowing seedlings, early yield increased significantly. This measure is simple, economical and effective, which opens up a new way for the development and utilization of cotton in saline-alkali wasteland.