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Cross non woven fabric/ Cambrella Fabric
The main application areas of non-woven fabrics in agriculture
by：Sunshine
2021-04-08
1. Covering material
Europe in the spring and autumn season, the climate is complicated. The growth of plants in the glass conservatory is affected by frost, and in serious cases, they may die. The traditional solution is to use 'floating cover technology.' It is to spread a light-weight, light-transmitting covering material directly on the plant, giving the shoots an effective, inexpensive, and temporary climate protection. Prevent plants from frost and make them grow as usual·
Non-woven fabric has light transmittance. Transparency and permeability to air and water make it an ideal covering material for plants. The non-woven fabrics in use have a grammage between 8-25g/m', and they can increase the ground temperature and crop temperature by 2 to 4°C. So as to protect crops from being affected by spring and autumn frost (Prior to this, porous polyethylene film has been used).
Compared with polyethylene film (plastic), agricultural non-woven fabrics have the following advantages.
1) Good permeability to water and chemical treatment agents·
2) Good resistance to infrared radiation, ensuring proper ventilation during warm spring period, thereby reducing the risk of 'heatstroke' ('heatstroke' refers to the fact that the tips of the leaves are scorched and die due to high temperature, which ultimately affects the quality of vegetables And yield.)
3) Due to the special structure of agricultural nonwovens, the uniform penetration of wind is improved.
4) It can protect against human invasion of parasites such as insects.
Ventilation, thereby reducing the risk of 'heatstroke' ('heatstroke' refers to the fact that the temperature is too high and the leaves of the shoots are scorched and die, which ultimately affects the quality and yield of vegetables.
Two, heat insulation
Non-woven fabrics can be used in glass greenhouses to replace other materials used for heat insulation. It can also be aluminized to enhance its reflective performance. Non-woven fabrics for this purpose have the following advantages.
1) It can be selected, it takes up a small space and prevents the loss of light in the greenhouse.
2) Due to its permeability, it can prevent the 'condensation' effect that damages the growth of crops.
3) Due to the special structure of agricultural nonwovens, the uniform penetration of wind is improved.
4) It can protect against human invasion of parasites such as insects.
Three, shading
The non-woven fabric can be used as a shading screen for various light-fearing plants. According to the different characteristics of plants, non-woven fabrics of different weights and colors can be selected. For example, in the United States, black non-woven fabrics are usually used as light screens for nurseries; in Europe, green non-woven fabrics are used to shade broadleaf vegetables, and gray is used to shade ginseng in Japan.
Four, sterilization and insecticide
In Northern Europe and the United States, because these countries have strict restrictions on the use of vegetable pesticides, so. After the non-woven fabric is chemically treated, it is covered on the vegetables, which not only kills insects and sterilizes, but also prevents different predators (animals and birds) and parasites (flies, insects with viruses, etc.) from affecting the crops. Infringement, but also to prevent the pollution of vegetables and the surrounding environment due to pesticides.
Five, all kinds of agricultural bags
In order to prevent the invasion of insects when the fruit is ripe, to protect the high quality. High-value fruits, using the breathability of non-woven fabrics, can replace paper as a fruit protective bag. It can also be used as a pollination bag for plants, root bags or other agricultural bags.
VI. Seed Substrate
In terms of rice growth and slope greening, non-woven fabrics can be used as seed substrates. Specifically, the seeds are sown on the non-woven material in advance, and various fertilizers and pesticides are added directly to the seeds or seedlings. Among them, the non-woven fabric simply needs to be flat on the ground. This technology not only improves the germination rate of seeds and the growth of seedlings, but also simplifies the sowing operations and procedures, and reduces labor intensity.
Seven, irrigation cloth
In the pure nutrient solution culture method, non-woven fabric is used as a very thin layer of irrigation cloth to improve the distribution of nutrient solution. It is also possible to use a thicker sheet as a growth substrate, place a flower pot or container on it, and use the water absorption of the non-woven fabric substrate to promote uniform distribution of water.
8. Covering materials
In many cases, the use of containers to grow plants, the ground must be covered with black non-woven fabric to prevent weeds from growing. It has water blocking and permeability, so any excess water can be drained. In the United States, bonsai gardeners use this feature of non-woven fabrics. Instead of pine bark as bonsai cover material, to ensure the aesthetic characteristics of the green space.
Europe in the spring and autumn season, the climate is complicated. The growth of plants in the glass conservatory is affected by frost, and in serious cases, they may die. The traditional solution is to use 'floating cover technology.' It is to spread a light-weight, light-transmitting covering material directly on the plant, giving the shoots an effective, inexpensive, and temporary climate protection. Prevent plants from frost and make them grow as usual·
Non-woven fabric has light transmittance. Transparency and permeability to air and water make it an ideal covering material for plants. The non-woven fabrics in use have a grammage between 8-25g/m', and they can increase the ground temperature and crop temperature by 2 to 4°C. So as to protect crops from being affected by spring and autumn frost (Prior to this, porous polyethylene film has been used).
Compared with polyethylene film (plastic), agricultural non-woven fabrics have the following advantages.
1) Good permeability to water and chemical treatment agents·
2) Good resistance to infrared radiation, ensuring proper ventilation during warm spring period, thereby reducing the risk of 'heatstroke' ('heatstroke' refers to the fact that the tips of the leaves are scorched and die due to high temperature, which ultimately affects the quality of vegetables And yield.)
3) Due to the special structure of agricultural nonwovens, the uniform penetration of wind is improved.
4) It can protect against human invasion of parasites such as insects.
Ventilation, thereby reducing the risk of 'heatstroke' ('heatstroke' refers to the fact that the temperature is too high and the leaves of the shoots are scorched and die, which ultimately affects the quality and yield of vegetables.
Two, heat insulation
Non-woven fabrics can be used in glass greenhouses to replace other materials used for heat insulation. It can also be aluminized to enhance its reflective performance. Non-woven fabrics for this purpose have the following advantages.
1) It can be selected, it takes up a small space and prevents the loss of light in the greenhouse.
2) Due to its permeability, it can prevent the 'condensation' effect that damages the growth of crops.
3) Due to the special structure of agricultural nonwovens, the uniform penetration of wind is improved.
4) It can protect against human invasion of parasites such as insects.
Three, shading
The non-woven fabric can be used as a shading screen for various light-fearing plants. According to the different characteristics of plants, non-woven fabrics of different weights and colors can be selected. For example, in the United States, black non-woven fabrics are usually used as light screens for nurseries; in Europe, green non-woven fabrics are used to shade broadleaf vegetables, and gray is used to shade ginseng in Japan.
Four, sterilization and insecticide
In Northern Europe and the United States, because these countries have strict restrictions on the use of vegetable pesticides, so. After the non-woven fabric is chemically treated, it is covered on the vegetables, which not only kills insects and sterilizes, but also prevents different predators (animals and birds) and parasites (flies, insects with viruses, etc.) from affecting the crops. Infringement, but also to prevent the pollution of vegetables and the surrounding environment due to pesticides.
Five, all kinds of agricultural bags
In order to prevent the invasion of insects when the fruit is ripe, to protect the high quality. High-value fruits, using the breathability of non-woven fabrics, can replace paper as a fruit protective bag. It can also be used as a pollination bag for plants, root bags or other agricultural bags.
VI. Seed Substrate
In terms of rice growth and slope greening, non-woven fabrics can be used as seed substrates. Specifically, the seeds are sown on the non-woven material in advance, and various fertilizers and pesticides are added directly to the seeds or seedlings. Among them, the non-woven fabric simply needs to be flat on the ground. This technology not only improves the germination rate of seeds and the growth of seedlings, but also simplifies the sowing operations and procedures, and reduces labor intensity.
Seven, irrigation cloth
In the pure nutrient solution culture method, non-woven fabric is used as a very thin layer of irrigation cloth to improve the distribution of nutrient solution. It is also possible to use a thicker sheet as a growth substrate, place a flower pot or container on it, and use the water absorption of the non-woven fabric substrate to promote uniform distribution of water.
8. Covering materials
In many cases, the use of containers to grow plants, the ground must be covered with black non-woven fabric to prevent weeds from growing. It has water blocking and permeability, so any excess water can be drained. In the United States, bonsai gardeners use this feature of non-woven fabrics. Instead of pine bark as bonsai cover material, to ensure the aesthetic characteristics of the green space.
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