要使棉花多成铃、成大铃,必须合理地加以调控。 一、去除早蕾。对于地膜棉、营养钵育苗并且长势偏旺的田块,在蕾期适当摘除棉株下部1～3个果枝的早蕾,既可减少烂铃,又能节省养分,调节植株营养分配,促使中上部多结铃,结大铃。 二、适时化调。缩节胺是高效棉花生长调节剂, To make more cotton into a bell, into a big bell, it must be properly regulated. First, remove the early bud. For plastic film mulching and seedling growing in nutrient bowl and early blooming fields, the early buds of 1 to 3 fruit branches in the lower part of the cotton plant can be removed at the budding stage, which can not only reduce the bad bell but also save the nutrients and regulate the nutrient distribution of the plants, The upper part of the bell, knot big bell. Second, timely adjustment. Reduced amine is an efficient cotton growth regulator,