The misunderstanding of slow-release fertilizers has recently become a popular word in the agricultural industry. More and more fertilizer companies have linked their products, and various kinds of slow-release fertilizers have emerged in an endless stream. Although the concept of fat is good, it is not recommended to use it. It is to be understood that not all fertilizers need to be controlled and released. It is difficult to promote slow and controlled release of fertilizer. The state is strongly supporting and should also support it. However, the concept of controlled release should not be applied to all fertilizers, which also requires standard specifications.
In general, the concept of slow and controlled release is aimed at nitrogen fertilizer. The use of slow and controlled release technology is to increase the use rate of nitrogen fertilizer and increase fertilizer efficiency. Some fertilizers, such as diammonium phosphate, do not require controlled release. In fact, a few years ago, some companies tried to increase the utilization rate and protect the environment by adding other substances to slow the release of diammonium phosphate. The characteristics will be passivated when applied to the ground. If the substance is added to make it slow and controlled, it is completely superfluous.
It is known in the industry that the content of water-soluble phosphorus in fertilizers is required in the standard of diammonium phosphate products. After adding the slow-release material of diammonium phosphate, it is necessary to ask a question mark whether it meets the requirements of the national standard for water-soluble phosphorus. The National Development and Reform Commission and the Ministry of Science and Technology have indeed made the industrialization of fertilizer slow-release technology an important field for the application of high-tech, but not all fertilizers have to be released. Some people added something to ammonium chloride, and ammonium chloride became the "fourth generation nitrogen fertilizer."
The diammonium phosphate addition point material becomes a slow-release diammonium and a long-acting diammonium. What's more, some companies add point materials to the nitro-compound fertilizer to make a slow-release nitro-compound fertilizer. Is this going to be quick and effective, or should it be slower? Is it a dead end for the fertilizer industry to stop controlling? The author believes that if we want to release the phosphate fertilizer, we can directly apply the phosphate rock, if it is not good. Use, granulation is, why should it be activated by chemical means, and then slow release.
Therefore, which fertilizer needs to be released slowly, what are the requirements for fertilizer release, and when it is necessary to apply slow release fertilizer, all need to be standardized. Zhengdao Fertilizer Network Xiaobian appeals to everyone to correct the release of fertilizer, do not speculate on the concept of slow release. At present, some enterprises' fertilizer slow release control work deviates from the correct development direction, especially the purpose of some enterprises is only to find selling points. It is not advisable to follow the national policy and look for financial support. This is not the right approach.
This article URL: Misunderstanding of controlled release fertilizer
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