自从里下河棉区在棉花上推广育苗移栽技术以来，每年都有不少田块因受多种因素的影响，造成棉苗移栽后活棵慢，蹲苗期长，棉苗根系生长受阻，红茎到顶，甚至叶片脱落，从而影响了早发。１僵苗的原因１．１雨天抢栽。棉花移栽前，由于雨后土壤含水量达到９０％以上，移栽时... Since the lower reaches of the river cotton area on the promotion of cotton seedling transplanting technology, many fields each year due to a variety of factors, resulting in cotton seedlings transplanted live slow, long squat seedling, cotton seedling root growth retardation , Red stem to the top, and even leaves off, thus affecting the early onset. A reason for stiff seedlings 1.1 rape planting. Cotton before transplanting, due to rain after the soil moisture reached 90%, transplanted ...