1. Look at the packaging. Where qualified chemical fertilizers are produced by regular manufacturers, their packaging bags are usually marked with the product name, nutrient content, net weight, origin, etc.; false degraded fertilizer packaging is rough, high breakage rate, incomplete or illegible writing, sometimes Do not use Pinyin for Chinese characters to impersonate imported fertilizer. 2. Look at the price. The price of fake deteriorating fertilizers is generally significantly lower than the price of similar high-quality fertilizers on the market. 3. Look at the variety. Pseudo-deteriorating fertilizers are generally based on compound fertilizers (such as diammonium phosphate, etc.), urea, superphosphate, liquid fertilizers, and foliar fertilizers. When buying these chemical fertilizers, special care must be taken; ammonium bicarbonate and other fertilizers are on the market. Few fakes appear. 4. Look at the appearance. 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 a gray powder, there are Sour taste; three-material superphosphate is a greenish gray, large and uniform particles, no odor; calcium magnesium phosphate fertilizer is a white powder, no odor; potassium sulfate is a white powder crystal, no odor; Diammonium phosphate is yellow gray or iron Gray particles, uneven particle size, volatile in wet environments, 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. Sesame Products,Black Sesame Seeds Oil,100% Pure Black Sesame Oil,Doypack Sesame Sauce Chinese Seasoning (Shandong) Trading Co.,Ltd , https://www.zt-trading.com