论文部分内容阅读
塔克拉玛干沙漠腹地日光温室在冬季未加热时,温室内气温比室外高14℃,地温高15℃以上,可确保抗寒力较强的蔬菜正常生产;苇草草帘增温0.9℃,中棚增温30.7℃;当与温室被、中棚联合使用时,可确保绝大部分蔬菜正常生产。加热可使内外温差达30℃,可提供如西红柿、黄瓜、辣椒等对温度要求较高的蔬菜品种获得高产所需的最佳温度环境。沙漠地区直射光可使温室内温度迅速上升达3.5℃/h,散射光也可确保温度不迅速下降。通风效率:温度上升减慢为0.33℃/h·m~2～2.44℃/h·m~2,温度下降增快3.7℃/h·m~2。温室内温度不均,其规律为两端高、中间低;北面高、南面低。加热炉间距离应在25m左右,以使温室内温度分布更均匀。
The Taklamakan hinterland solar greenhouse in the winter without heating, the greenhouse temperature is 14 ℃ higher than the outdoor, ground temperature higher than 15 ℃, to ensure the normal production of vegetables with strong cold hardiness; reed straw curtain temperature 0.9 ℃, the greenhouse temperature 30.7 ℃; when used with the greenhouse, in the shed when used to ensure that most vegetables normal production. Heating can make the temperature difference between inside and outside up to 30 ℃, which can provide the best temperature environment for vegetables with high temperature requirements such as tomatoes, cucumbers and peppers. Direct light in the desert can make the temperature in the greenhouse rise rapidly by 3.5 ℃ / h, and the scattered light can ensure that the temperature does not drop rapidly. Ventilation efficiency: the temperature rise slowed down to 0.33 ℃ / h · m ~ 2 ~ 2.44 ℃ / h · m ~ 2, the temperature dropped by 3.7 ℃ / h · m ~ 2. Greenhouse temperature uneven, the law for both ends of the high, the middle of the low; north high, south low. The distance between the heating furnace should be about 25m, so that the greenhouse temperature distribution more evenly.