The super water-absorbing polymer resin used in agriculture and forestry is commonly known as "water-retaining agent". It is a new type of functional polymer material. This type of substance contains a large number of strong water-absorbing groups and has a specific structure. It can produce high-permeability associations in the resin. Use and absorb water through its mesh structure. It can absorb and maintain pure water hundreds of times its own weight, and the water stored in the water-retaining agent can be directly absorbed by the roots of various crops, fruit trees, vegetables, flowers, trees, etc. This also makes the plant's drought resistance ability good Improved, this characteristic determines the wide application prospects of water-retaining agents in agriculture and forestry, drought-resistant and water-saving. There are two specs: Potassium SAP and Sodium SAP.
Its advantages are more obvious: 1. Non-toxic. It is safe and environmentally friendly, non-toxic and harmless, and does not pollute plants, soil and groundwater. The final decomposition products are carbon dioxide, water ammonia nitrogen and potassium ions, without any residue. 2. Water retention. Water retention agent is insoluble in water, but can absorb water hundreds of times its own weight. Water retention agent can effectively inhibit water evaporation. After the water retention agent is infiltrated into the soil, it can largely inhibit water evaporation and increase soil saturation. Water content reduces the saturated hydraulic conductivity of the soil, thereby slowing down the release of water from the soil, reducing the infiltration and loss of soil moisture, and achieving the purpose of water retention. It can also stimulate the growth and development of crop roots and increase the length of roots. The number of bars has increased, and it has maintained a good growth under drought conditions. 3. Fertilizer retention. Because the water retention agent has the function of absorbing and storing water, it can fix the nutrients needed for the growth of crops such as chemical fertilizers and pesticides in the water, which reduces the leaching of soluble nutrients to a certain extent. The loss has achieved the effect of saving water and fertilizer and improving the utilization rate of water and fertilizer. 4. Heat preservation. Water retention agent has good heat preservation performance. After the water retention agent is applied, it can use the absorbed water to maintain part of the heat generated by daylight to adjust the night temperature, so that the soil temperature difference between day and night is reduced. Mixed with 0.1%~0.2 in sandy loam % Of water retention agent, monitoring the temperature of 10 cm soil layer shows that it has a buffer effect on the rise and fall of soil temperature, reducing the temperature difference between day and night to 11 ~ 13.5 ºC, while the soil without water retention agent is 11 ~ 19.5 ºC. 5. Improve the soil structure. When the water-retaining agent is applied to the soil, with the regular changes of water absorbing expansion and water loss shrinking, the surrounding soil can be changed from compact to loose, and the pores will increase, thereby improving the flow of the soil to a certain extent. Through the situation. 6. Improve the survival rate. The use of water-retaining agents can increase the survival rate of plant planting and transplanting. Therefore, in the dry season and arid areas, mountain slopes, mine relics and desertified areas, effective landscape greening can be achieved, thereby accelerating ecological restoration. 7. Stable performance. The water-retaining agent saturated with water absorption can supply the water demand of plants for a long time. Even in the case of extreme drought, it will not suck up plant water. 8. Low dosage and low cost. Water retaining agent can double the effectiveness of soil moisture, thereby reducing the frequency of irrigation-saving water, labor, and money; it can also absorb snow melt water and rainwater to reduce water costs. 9. Strong applicability. Whether it is agricultural and forestry crops or green plants, it can be used in any season, any place, and any link, and the effect is immediate after use. It can be planted off-season and planted at any time. Our company's products have been successfully applied in the work of improving soil during the implementation of the Western Development Strategy, and have achieved good social and economic benefits. It is widely used in desertification control, agricultural and forestry crop planting, vegetable and fruit planting, garden slope greening, seed germination, golf courses and other fields. The products have been exported to North America, the Middle East, Southeast Asia, Africa, South America and other countries and regions lacking water resources. It is recognized as an effective micro-water irrigation product in the world, saving a lot of irrigation water and irrigation and maintenance labor for the society.
Matters needing attention: 1. The water retaining agent retains water but does not make water, and external water must be present when using it; 2. Water-retaining agent can be mixed with all kinds of fertilizers, and most pesticides can be mixed; 3. Water retaining agent cannot be used on the surface; 4. Water-retaining agents cannot be used in waterlogged depressions, because where the air permeability of waterlogged depressions is poor, root rot will easily occur when there is a lot of water. 5. Pay attention to moisture-proof, seal it after taking it out, and store it in a dry place away from light.
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