1 适期播种,培育壮苗 为发挥杂交棉上桃快、成桃多的优势,应适当早播,我市营养钵育苗应在3月底4月初播种。采取精播,即每钵播健子F_1代1粒,F_2代2粒。钵体“三消毒”,棉苗早揭膜、早喷药、早炼苗。 2 适当稀植,“四带”移栽 杂交棉个体生长快,植株高大,为形成大棵壮株,其密度比常规棉适当降低,采取宽行稀株。我市密度一般大株型杂交 1 Sowing, nurturing strong seedlings In order to give play to hybrid cotton peach fast, peach and more advantages, should be early sowing, the city nutrition bowl nursery seedlings should be planted at the end of March early April. To take sowing, that each son sowing son F_1 a, F_2 generation 2. Bowl “three disinfection”, cotton seedlings early Jiemo, early spraying, early hardening. 2 Appropriate sparse planting, “four” transplanted hybrid cotton individuals grow fast, tall plants, to form large trees, its density is lower than the conventional cotton appropriate to take a wide line of diluted plants. My city is generally large plant type hybrid density