Views: 1 Author: Site Editor Publish Time: 2018-12-12 Origin: Site
The main function of shading net is to shield strong gear, prevent wind and dust, shade, prevent birds and heat preservation. It can provide a good living space for the living environment of crops. In summer, sunshine intensity often exceeds 100,000 Lx on sunny days, while the suitable light intensity of common green leafy vegetables is 20,000-30,000 Lx. The use of shading net in summer can reduce underground temperature by 3-5 degrees. Above ground temperature decreases by 1-2 degrees.
Covered with black mesh, the surface temperature decreases by 9-13 C and 4-7 C at 5 cm underground. Therefore, the light intensity can be reduced to a suitable range for crop growth after covering with shading net, so as to facilitate photosynthesis. At the same time, covering the shading net can reduce the wind speed, reduce the evaporation of soil moisture, and reduce the mechanical damage caused by storms to vegetables, sediment pollution and the harm of soil compaction to vegetables. In addition, it can also reduce the damage caused by diseases and insects.
Sunshade net can be used in many channels, such as greenhouse flower cultivation, greenhouse greenhouse, are essential goods.