高效麦饭石壮苗素拌种好推广棉花育苗移栽，在育苗过程中表现最突出的问题是：苗床死苗日趋严重，高脚苗、假大苗、弱苗发生普遍，导致棉苗素质差，移栽后返苗慢。主要原因是立枯病、炭疽病、猝倒病、根腐病和叶病严重；二是床土营养不足，严重缺乏微量、常量和稀土元素；... Efficient maifanite strong seed dressing good promotion cotton seedling transplanting, the most prominent issue in the breeding process is: seedling dead seedlings become more serious, tall seedlings, fake seedlings, weak seedlings occur generally, resulting in poor quality cotton seedlings Return slowly after transplanting. The main reasons are blight, anthracnose, damping-off disease, root rot and leaf disease; second is bed soil nutrient deficiency, a serious lack of trace, constant and rare earth elements; ...