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微量元素是棉花正常生长发育所必需的营养成份。施用微肥是棉花生产上一项方法简单,用量少,成本低,作用大,效果好的增产措施。近几年来,宜春地区棉花生产上推广和使用微肥的面积日益增加,1983年全区喷硼肥84670亩,喷施磷酸二氢钾的棉田面积90410亩,分别占总棉田面积的36.8％和39.3％;据1984年考察统计,全区施用硼肥的棉田面积为82500亩,喷施磷酸二氢钾的棉田面积为69000亩,发展比较快。
Trace elements are the necessary nutrients for the normal growth and development of cotton. The application of trace fertilizer is a cotton production method is simple, less dosage, low cost, large effect, good effect of stimulation measures. In recent years, Yichun cotton production on the promotion and use of micronutrient area is increasing, in 1983 the region boron fertilizer 84670 acres, spraying potassium dihydrogen phosphate cotton area of 90,410 acres, accounting for 36.8% of the total cotton field area and 39.3%. According to the survey conducted in 1984, the area of paddy field where boron fertilizer was applied was 82,500 mu. The area of cotton field sprayed with potassium dihydrogen phosphate was 69,000 mu, developing rapidly.