一、苗期抗旱无论早播直播棉还是营养钵育苗，在播种前均要J次性浇透底水，一播全苗。营养钵的苗床b。果播种时未浇透底水，拱棚覆膜后沿床沿淋浇，没渗钵底，以利出齐苗，缓解苗期旱情，切忌播种覆土后钵面没浇，以防析结不利出苗，苗期造成高温感染病菌而死苗。二、苗蕾期抗 First, the seedling drought regardless of direct seeding live cotton or nutrition bowl nursery, seedlings must be J times prior to sowing the end of water, a broadcast of seedlings. Nutritional bowl seedbed b. Fruit sowing is not poured at the end of the water, arch shed along the edge of the bed after pouring irrigation, no infiltration mortar at the end, in order to facilitate Qi Miao, ease the drought at seedling stage, avoid sowing after the bowl did not pour soil to prevent unfavorable sprouting seedlings Period caused by high temperature infection of germs and dead seedlings. Second, Miao Lei anti-phase