The spring ploughing work in Weinan City has been fully carried out. How to distinguish fake and degraded fertilizer has become a topic of concern for farmers. A few days ago, the reporter went to the soil and fertilizer station of the Municipal Agricultural Technology Center and interviewed professional and technical personnel on this issue.
Yan Chunli, director of the soil and fertilizer station, told the reporter that there are many varieties of chemical fertilizers, and some unqualified products are also mixed among them. There are many counterfeit products that are similar in shape and color, such as granules of calcium and nitrophosphate, but cheap fertilizers to pretend to be nitrate. Fertilizers such as phosphate fertilizer and diammonium phosphate are difficult to distinguish from the appearance of farmers' purchases, but the composition, content and price of these fertilizers are very different.
She reminded the majority of farmers that they should purchase fertilizer in a regular farmer's shop. When purchasing, they should carefully check whether the fertilizer registration certificate number, implementation standard number, production license, etc. are on the package, and pay special attention to whether the package seal has Obviously unpacking marks to prevent adulteration. In addition, she gave a trick to the farmers and friends on how to identify true and false fertilizers. It is to look at the solubility, take a small amount of fertilizer, dissolve in a clean glass, all dissolved is urea, diamine and potassium fertilizer, if a small part of the dissolution is Pujia calcium tablets, if not dissolved, is calcium magnesium phosphate. If the farmers' friends are skeptical about the purchased fertilizer, they can also go to the professional department of the Municipal Agricultural Technology Center for testing.
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