The wilting of leaves after fertilization of grapes is cause

Inquiries: Recently, Jiuquan grape growers reported that in their local area, there were fertilizer producers and their distributors selling a fertilizer called “triammonium phosphate”. The seller told the farmers that DAP was better than monoammonium phosphate, triammonium phosphate was better than diammonium, and three ammonium had higher nutrient content. According to these companies and distributors, the effect of "triammonium phosphate" is much better than that of diammonium phosphate. Of course, the price is much higher than that of diammonium phosphate. After listening to the company’s introduction, grape growers applied some “triammonium phosphate” fertilizers to the grapes after purchase. As a result, they found that after several days, the leaves wilted and the branches gradually dried up. Is there any problem with the fertilizer? What should I do?

Answer: From the perspective of ammonium phosphate production process and product performance, since monoammonium phosphate and diammonium phosphate products have relatively stable performance, ammonia only decomposes and volatilizes when the ambient temperature is higher than 70°C. Used as a commodity fertilizer. The triammonium phosphate is a very unstable compound that will decompose under normal temperature and pressure, release ammonia and become diammonium phosphate. Therefore, no country in the world produces "triammonium phosphate" commercial fertilizers, and there are no "triammonium phosphate" fertilizer standards at home and abroad.

Therefore, this so-called "triammonium phosphate" is just an ordinary compound or compound fertilizer, and the fertilizers marked with NPK fertilizers 17-17-17, 18-18-18, and 19-19-19 are on the packaging label. Can not be called "triammonium phosphate," but should be collectively referred to as compound fertilizer or compound fertilizer. The reason why this "triammonium phosphate" causes the death of the vine, it is very likely that its chloride ions have exceeded the standard seriously, resulting in burning roots.

Based on this, it can be concluded that the so-called "triammonium phosphate" is purely because some manufacturers and their distributors mislead and deceive farmers by speculating in order to gain improper interests. Everyone must be vigilant. If this product is found, one must promptly call the "12316" service hotline for agriculture, rural areas, and the agricultural department to investigate and verify and investigate; second is to call the "12315" consumer complaints hotline set up by the industry and commerce department, which is investigated and verified by the industry and commerce department. The third is to call the "12365" complaint report telephone set up by the quality and technical supervision department, which is investigated and verified by the quality supervision department and investigated. Do not avoid looking for a claim from a dealership to avoid the protection of your own legitimate rights and interests.

Here, we also remind the farmers and friends that they must go to the legitimate agricultural resource management stores with good reputation and licenses to purchase fertilizers, not to buy mobile traders and chemical fertilizers without warrants and licenses, and not to blindly believe in advertising.

When buying, try to choose some well-known brands or fertilizers that have been used before and have good effects. In general, the fertilizer quality of relatively large-scale, relatively strong, and large-scale chain-operating enterprises in the country is relatively secure.

At the same time, when reminding farmers to buy chemical fertilizers, in particular when there are problems with quality, it is necessary to retain chemical fertilizer samples, retain bags, keep invoices or receipts, and other sales vouchers in case there are quality problems in the future.

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