编辑同志: 我们这里是产棉区,60%以上的土地种棉花,40%种小麦、黄豆、玉米、甘薯等。棉田多年重茬,三分之一已连作20年以上,造成棉田地力下降,病虫害严重。不少棉农想调换一下棉田的茬口,但棉花收完后已近“小雪”,无法再种小麦,我们迫切需要轮 Editor’s Comrade: We are producing cotton here, more than 60% of land cotton, 40% of wheat, soybeans, corn, sweet potatoes and so on. Many years of continuous cropping of cotton fields, one-third have been linked for more than 20 years, resulting in decreased soil fertility, pests and diseases. Many cotton farmers want to change the stubble, but the cotton is close after the “little snow”, unable to grow wheat, we urgently need round