This paper probed into the laws of microclimate variation in plastic-covered shed in Changsha at the turn from Spring to Summer.The result showed that the average temperature every ten days in plastic-covered shed was higher than that of outside,ranging from 17.0 ℃ to 28.0 ℃.And the maximum amplitude of the highest temperature reached 12.0 ℃.The difference of average temperature between inside and outside of plastic-covered shed was the largest in the fine day,next in the cloudy day,then in the rainy day and that was the smallest when it tur...
