一、育苗春栽于3月中、上旬育苗,夏栽于4月下旬育苗,种植一亩地需苗床20～30平方米,种子100克。育苗前先将苗床整平整细,为防治地下害虫,可用辛硫磷药液喷洒一遍,大水浇灌一次。播种前先把种子冠毛搓去,用温水浸种2～4小时,晾干后掺适量细沙土,均匀撤入苗床,然后撤些细沙土,使种子半露半盖,盖上塑料薄膜,小苗长出2～3对真叶后要喷洒0.1%尿素溶液,每10天喷洒一次。4月中、下旬可 First, nursery Spring planted in March, nursery early, summer planted nursery in late April, planted acres of land required to bed 20 to 30 square meters, 100 grams of seeds. Seedling before the seedbed leveling fine, for the control of underground pests, available phoxim spraying again, water once poured. Before sowing, first seed the crown hair to rub, soak with warm water for 2 to 4 hours, dry with a small amount of fine sand, evenly evacuated seedbed, and then remove the fine sand, the seeds half exposed half covered with plastic film, seedlings Grow 2 ~ 3 after the true leaves sprayed with 0.1% urea solution, spray once every 10 days. Mid-April, late