Application of shade nets in agriculture

The shading net has the functions of shading and cooling, aphid prevention, hail and disaster reduction, temperature increase, etc., and has the characteristics of low cost, high efficiency, labor-saving and labor-saving, etc. It has a wide range of uses in summer vegetable and flower production and autumn and winter stubble breeding. .

Effects and effects:

(1) Insect and virus prevention: Covering sunshade nets to isolate pests and vegetables can basically eliminate the harm of various pests such as cabbage worm, cabbage night moth, aphids, and whitefly, and control the occurrence of viral diseases. Pest and disease infection rate decreased by 54-60%.

(II) Cooling and thermal insulation are conducive to emergence: July-August is the high temperature season in the north. Due to the high temperature and drought, the emergence is affected. Covering the shading net can reduce the temperature in the shed, reduce evaporation, keep the soil moist, and increase the emergence rate of vegetables. 20-30%.

(3) Wind and rainstorm protection: Strong wind and rainstorm will cause damage to the vegetables and the phenomenon of falling seedlings. After covering the sunshade net, the wind speed can be reduced by 20-25%. There is a drizzle, and there is a kind of development and growth of crops.

(4) Prevent the seedlings from being burned by strong sunlight: In the hot summer, direct sunlight can burn the seedlings. Covering the sunshade net will reduce the light intensity by 40-50% to avoid burns.