日光温室、塑料大棚等设施栽培果树 ,常会遇到连阴天、大风及雨雪等灾害性天气的危害 ,此时加强管理是棚室果树安全生长和结果的关键。1　下雪天一定要及时清扫草苫上的积雪 ;在连续降雪天也要适当揭苫 ,以利通光。2　遇连阴天时 ,应据果树各生育阶段的要求 ,白天温度控制在适 Sunlight greenhouses, plastic greenhouses and other facilities to cultivate fruit trees, often encounter even cloudy, wind and snow and other disastrous weather hazards, strengthen management at this time is the key to the safe growth of greenhouse fruits and greenhouse. 1 snow days must promptly clean the snow on the grass; in a row should be properly exposed snow days, to facilitate the light. 2 In case of cloudy days, should be based on the requirements of the growing stages of fruit trees, daytime temperature control in fitness