Views:4 Author:Site Editor Publish Time: 2019-01-23 Origin:Site
Shade net is a new type of light weight, high strength and aging-resistant plastic covering material for agriculture, which is made of polyolefin resin as the main raw material, anti-aging agent and various colors by wire drawing. Covering cultivation with shading net has many functions, such as shading, humidity regulation, moisture conservation, rainstorm prevention, gale prevention, freezing prevention, pest control, rodent and bird damage prevention.
Shade net has 75% and 45% shading rate. High shading rate is only suitable for flowers and shade-tolerant vegetables. Generally, 45% shading net is used for vegetable production.
Celery, coriander, onion and garlic and other cold, weak light vegetable production in summer and autumn, mainly using black shading net with higher shading rate.
Tomatoes, cucumbers, eggplants, peppers and other warm and strong light vegetable production in summer and autumn, according to the intensity of light, choose silver grey net or black shading net with low shading rate; avoid aphids, virus disease, the best choice is silver grey net or black grey shading net.
Spinach, asparagus lettuce and other cold-resistant and Semi-cold leafy vegetables are covered in winter. Silver-gray shading net is good for moisturizing and frost-proof.
In autumn, the short-term coverage of nursery or slow seedling is mostly covered with black shading net. In order to prevent viral diseases, silver grey net or black grey shade net can also be used.
For all-weather coverage, it is advisable to choose a net with a shading rate of less than 40%, or a black-grey color matching net, or a net with a high shading rate covering a single space of 30-50 cm, or a small flat covering with a narrow width.