一、前言位于天山北麓的伊河、额敏河流域(以下简称本流域),是新疆维吾尔自治区主要粮食产区之一;盛产春麦、冬麦、燕麦、大麦、玉米。春、冬小麦播种面积总和1956年占两个专区总播种面积41.5%。随着地区社会主义经济建设的发展本流域将担负全国闻名的玛纳斯河流域棉区,克拉玛依矿区的粮食供应,因此,如何发挥该地区粮食增产潜力是目前党政领导及农业科学工作者重大任务之一。 I. INTRODUCTION The Yi River and Emin River Basin (hereinafter referred to as “the basin”), located in the northern foot of Tianshan Mountain, are one of the major grain producing areas in the Xinjiang Uygur Autonomous Region. They are rich in spring wheat, winter wheat, oats, barley and corn. In spring and winter, the total sown area of ​​wheat accounted for 41.5% of the total sown area in two prefectures in 1956. With the development of the socialist economic construction in the region, the basin will bear the grain supply in the cotton area and the Karamay mining area, which is well-known throughout the country. Therefore, how to bring the potential for increasing grain yield in the region is a significant issue for party and government leaders and agricultural scientists One of the tasks.