通过多点试验,筛选出适于我市春育夏栽的棉花品种中12,明确了4月5～15日为最佳育苗播种期,5月30日～6月5日为移栽适期,最适苗龄40～50天。对大苗移栽棉花使用缩节胺进行化控时,应根据天气旱涝、棉株长势,酌情确定喷施量和喷施时期,以免影响棉株正常生长,导致减产。 Through the multi-point test, 12 cotton varieties suitable for spring and summer planting in our city were screened out, and the best sowing date for sowing was clear from April 5 to April 15, and the suitable time for transplanting from May 30 to June 5 , The best seedling age 40 to 50 days. Transplantation of cotton seedlings using shrink amine for chemical control, should be based on weather droughts, cotton grows, as appropriate, to determine the amount of spray and spraying period, so as not to affect the normal growth of cotton plants, resulting in reduced production.