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Look at the packaging of regular chemical fertilizers produced by regular manufacturers, their bags are generally marked with Chinese characters product names, nutrients and their content, net weight, origin, etc.; fake deterioration of fertilizer packaging is rough, high breakage rate, incomplete or illegible signs , Sometimes not using Chinese characters with Pinyin to impersonate imported fertilizer.
Look at the price as the saying goes: There is no good for cheap. The price of fake deteriorating fertilizers is generally significantly lower than the price of similar high-quality fertilizers on the market.
To see varieties of fake deteriorating fertilizers are generally compound fertilizers (such as diammonium phosphate, etc.), urea, superphosphate, and liquid fertilizers, foliar fertilizers, etc., in the purchase of such fertilizers, we must pay special attention. Ammonium bicarbonate and other fertilizers rarely appear in the market.
Look at the appearance of different chemical fertilizers often have different appearance characteristics, such as ammonium bicarbonate is white, with a strong ammonia odor; urea, ammonium sulfate, ammonium nitrate, ammonium chloride are all white granular crystals; superphosphate is gray powder ,Saturated with acid tingling taste;Three materials are super gray calcium,great and uniform particles,no odor;Calcium magnesium phosphate fertilizer is gray powder, no odor; Potassium sulfate is white powder crystal, no odor;Diammonium phosphate is yellow ash Or iron gray particles, uneven particle size, volatile in a humid environment, ammonia smell. In addition, ammonium sulfate such as ammonium sulfate, ammonium nitrate, and ammonium chloride, and ammonium phosphate such as diammonium phosphate compound fertilizers are obviously placed on palms with a small amount of grass ash (or alkali or lime). Ammonia smell. If the fertilizer to be purchased is obviously inconsistent with its characteristics, it can be concluded that it is a fake fertilizer.
Spring is the peak season for fertilizer sales and use. However, in recent years, spurious fertilizers have appeared on the market from time to time, which has caused many farmers' friends to be deceived. This not only directly causes economic losses, but also delays agricultural time and affects agricultural production. To this end, following the characteristics of false deteriorating fat in the market, introduce several simple identification methods.