一、改棉垄内连年串种小麦为每隔三年拔柴种麦或轮作倒茬我县夏棉麦垄点种和小麦棉垄串种已有八年了。这种棉麦两熟制,造成了土壤恶性循环,给农作物带来了不良影响。如孙杏村乡 First, to change the cotton ridge perennial series of wheat for every three years to pull the seeds of wheat or crop upside down my county summer cotton wheat ridge and wheat cotton ridge series have been eight years. This two-cropping of cotton and wheat resulted in a vicious cycle of soils and adversely affected crops. Such as Sun Xing village