在辽宁省,水稻育苗是水稻生产中的极其重要环节。多年来一直采取农膜做覆盖保温材料进行水稻育苗,由于农膜育苗棚内温度变化剧烈,昼夜温差大,必须适时进行人工通风炼苗,操作烦琐费力,又不容易准确把握操作尺度,常因控制不住温度,导致稻苗滞长或徒长,甚至大量发病死亡。为了解决 In Liaoning Province, rice seedling cultivation is an extremely important part of rice production. Over the years have been taken to cover the insulation filming of plastic filming of rice seedlings, as the plastic filming greenhouse temperature dramatic changes in the temperature difference between day and night, artificial ventilation must be timely mining, the operation cumbersome and laborious, but not easy to accurately grasp the operating scale, often Unable to control the temperature, resulting in stagnant rice paddy or leggy, or even a large number of fatalities. In order to solve