I.Cooling System by Using Wet Pads and Fans
This system is the mostly used one to lower temperature inside the greenhouse in summertime. It lowers the temperature by ventilation and water evaporation. It has the advantage of good performance, easy operation and producing clean air. In southern China and dry Xinjiang, it has been widely used.
II.Cooling System by Using Circumfluent Fans
The high humidity and airtightness of the greenhouse environment may lead to plant disease and harmful bacteria proliferation. This system can help make the air flow from inside to outside and decrease the humidity to creat a healthy environment for crops inside.
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