Authors

Abstract

The sunken solar greenhouse is suitable for the development of vertical planting, which results in higher yield. In order to investigate the effect of temperature on photosynthesis of plants, an experimental study was conducted on the temperature and photosynthesis of strawberry plants at different heights in the sunken solar greenhouse. The study showed that when the indoor temperature was higher than 25.5℃, the photosynthesis of plants was inhibited; the transpiration rate decreased by 3.89 and photosynthesis rate decreased by 3.95 when the air temperature increased from 25.5℃ to 33.3℃ and then decreased to 25.4℃ at a height of 1.8m from the indoor floor; there were temperature differences in the vertical direction between the indoor temperatures of the sunken heliostat. The maximum temperatures at 0 m, 0.6 m, 1.0 m, 1.4 m, and 1.8 m height were 20.6°C, 24.1°C, 25.4°C, 25.4°C, 33, and 3°C, respectively, and different temperatures would have different photosynthetic characteristics of plants. This study can provide basic support for greenhouse regulation.

Abstract in Chinese

下沉式日光温室适宜于发展竖向种植，从而获得较高收益。温度对植物的光合作用有影响，为探究温度对植物光合作用的影响，对下沉式日光温室不同高度的温度和草莓植株的光合作用展开实验研究，研究显示：室内温度高于25.5℃时，会抑制植物的光合作用；与室内地面高度为1.8m处的空气温度由25.5℃升高到33.3℃，然后降低到25.4℃时，此时间段内蒸腾速率下降了3.89 光合速率下降了3.95 ；下沉式日光温室室内温度在竖直方向存在温度差异，室内地面高度为0m、0.6m、1.0m、1.4m、1.8m位置处的最高温度分别为20.6℃、24.1℃、25.4℃、25.4℃、33、3℃，不同温度会对植物的光合特性产生差异。该研究可为温室调控提供基础支撑。