How to avoid buying fake deterioration fertilizer

Chemical fertilizers, referred to as chemical fertilizers, are important agricultural production materials. In recent years, there occurred various false inferior fertilizers Kengnonghainong events, resulting in very large losses to the interests of farmers and rural economic development. ? How can it avoid purchasing counterfeit fertilizers based on our years of experience, for the majority of farmers and friends to provide some quality of the fertilizer Easy identification methods and precautions for your reference at the time of purchase fertilizer:

First, the simple identification method

　　 1. Urea white, small and uniform crystals of crystals , transparent, all soluble in water. Place it on the red iron piece, do not burn, white smoke, take a glass piece to contact the white smoke, you can see a layer of white crystal on the glass .

　　 2. Ammonium nitrate white granular crystals, uniform, slightly larger than urea , all soluble in water. Mixed with alkaline substances such as lime, you can smell the ammonia odor after stirring. Placed on red iron sheet, and sibilant combustion, the flame was orange, smoke ammonia odor.

　　 3 . DAP (diammonium) brown or light brown, translucent light Ze, uniform particles, hard, substantially all dissolved in water. Placed on the hot iron plate, gradually melted, fuming and ammonia odor.

　　 4. The white or slightly yellow-brown potassium, in crystalline form. All dissolved in water. There is no change on the red iron piece . 6 . Compound fertilizer compound fertilizer is the most common fertilizer product in the fertilizer market . It includes a variety of special fertilizers. Because of its size and color of the different raw materials with different, but it should be qualified crystal grain size uniform neat, dried and has a certain hardness, not broken, the bag with little or no powder.

Second, matters needing attention

　　 1 . To fixed-point units designated by the State to purchase fertilizer, that all levels of agricultural companies, fertilizer manufacturers and agriculture "three stops" and not to individuals or other non-regular sales outlets to buy.

　　 2 . To see seriously fertilizer inspection certificate and logo on the bag when purchased fertilizer, be sure to have the production license, effective nutrient content and production manufacturers address.

　　 3 . When purchasing fertilizer, you must ask for an invoice, in case of quality problems in the future, there is a basis for complaints.

　　 4 . Once there is a problem with the quality of fertilizers, it is necessary to promptly complain to the technical supervision departments at all levels and the industrial and commercial management departments. Above identification methods and precautions can not completely avoid purchasing counterfeit fertilizer, but we pay more attention at the time of purchase fertilizer, can reduce losses to a large extent. For some fertilizers that can not be judged by themselves, they can be sent to the relevant quality inspection department for inspection.

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