Slow-release fertilizer is aimed at slowing down or even controlling the release rate of fertilizer in the soil to improve its utilization rate, thereby reducing the unit usage of fertilizer and reducing environmental pollution caused by losses such as volatilization and leaching. It has great economic value. And social and social values, so the real controlled release fertilizer is no longer a concept, but a real replacement product.
At present, there are many varieties of slow-release fertilizers in China, and the products with various materials and release mechanisms can be described as a hundred flowers. However, due to the low level of knowledge of farmers, there is a serious lack of understanding of such updated products, especially the concept of illegal manufacturers. Opportunistic, hurting the feelings of consumers, causing resistance, affecting the promotion of new products. So what is the real slow release fertilizer?
When it comes to real controlled release fertilizer, the controversy may be very big. From the nature of slow control, the technology of slow control is to slow down the release rate of fertilizer to adapt to the growth period of the crop to improve fertilizer. Utilization rate, increase production and increase efficiency, so the controlled release of fertilizer, first of all, must be controlled and then released, in fact, the real controlled release fertilizer is to withstand the soaking in the water, especially in hot water, there are In the hot water, it melts in a few days or even a few hours and a few minutes. It does not have the effect of slow release. It is a fake controlled release fertilizer. Because these products are low in price, they are easily accepted by some people, which makes them confused. The main variety of users.
(Qiao Lan)
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