soil covering net to absorb sunshine and prvent vapour
1. The main purpose of post-seeding mulching is to maintain soil moisture and prevent soil compaction after heavy rains. Prevent insects and birds from harm.
The method is generally directly covered on the ground, but after emergence to open the net in time, so as not to hinder the growth of seedlings. 2. Short-term coverage after planting, one is the summer and autumn after planting of cabbage, cauliflower, Chinese cabbage, celery, lettuce, etc. to cover, has been covered to survive so far, day cover night uncovered, can be directly covered on the crops; The other is to cover early spring fruits, melons and beans at night to prevent frost.
Characteristics of cover mesh: strong tensile resistance, aging resistance, corrosion resistance, radiation resistance, light and so on. Use of sunshade net: it is mainly used for soil cover and dust prevention, satellite photography prevention, vegetables, fragrant flowers, edible fungi, seedlings, medicinal materials, ginseng, ganoderma lucidum and other crops protective cultivation and aquaculture and poultry industry, to improve the yield and so on has obvious effect.
It is often said that spring seed, summer busy, autumn harvest, representing the growth process of general crops from seedlings to maturity. In order to ensure the yield, sunshade net becomes one of the essential tools. In particular, vegetable greenhouses special sunshade net, which has cooling, disease prevention, disaster reduction, warming and other effects. And high efficiency, easy to use, in the seedling
stage is widely used.
Spring: Early spring cover is mainly to prevent late frost, enhance the insulation capacity of 2protective facilities, and buy time to grow seedlings in advance. It is mainly used in greenhouses in early spring. The covering time is the night from mid-April to early June. Generally, it is uncovered early and covered late, which can be directly covered on the soil, crops or arch shed, or covered around the greenhouses near the ground.
Summer, autumn: summer and autumn mulching is mainly to prevent strong light, heavy rain and all kinds of insect pests, but also to cool down and conserve moisture. The covering time is generally in the daytime from early July to early September, morning and evening and cloudy days can be removed. At present, this kind of mulching is mainly used in our province, which is generally applied to the cultivation of seedlings and early cultivation of autumn ripe vegetables and autumn delayed vegetables and the production of flowers in summer and autumn.
Cover earth net winter: autumn and winter cover is mainly to prevent early frost and low temperature frost damage. For autumn and winter harvest market vegetable cultivation, can be directly covered on the surface of crops for a short time, reduce the degree of frost damage, maintain the quality of fresh and tender.
Cover mesh specification packaging:
2 needle sunshade net sunshade rate 40%--80% Specification packaging: width 1--10 meters, length 50--100 meters/roll
3-needle sunshade net sunshade rate 50%--85% Specification packaging: width 1--10 meters, length 50--100 meters/roll
4 needle sunshade net sunshade rate 60%--90% Specification packaging: 1--10 meters wide, 50--100 meters long/roll
6-needle sunshade net sunshade rate 80%--98% Specification packaging: width 1--10 meters, length 50--100 meters/roll
6-needle round silk sunshade net sunshade rate 50%--70% Specification packaging: width 1--10 meters, length 50--100 meters/roll
9-needle sunshade insect repellent net sunshade rate 70%--80% Specification packaging: width 1--10 meters, length 50--100 meters/roll
