In the winter when the winter ploughing, in order to help the peasants improve the true and false identification ability of agricultural products, and resist the counterfeit and shoddy agricultural products, the County Consumer Protection Committee introduced several methods for identifying true and false fertilizers for farmers' friends to purchase when purchasing fertilizer.
Packaging identification method. Check the mark. The relevant state departments stipulate that the product name, nutrient content, grade, trademark, net weight, standard code, factory name, factory address, and production license number mark must be indicated on the fertilizer packaging bag. If the above logo is not complete or the logo is incomplete, it may be a counterfeit or inferior fertilizer. Check the bag seal: Pay special attention to the fertilizer that has obvious unpacking marks on the package seal. This phenomenon may be adulterated.
Shape, color identification method. Urea is white or light yellow, in the form of granules, needles or prismatic crystals, no powder or little powder; ammonium sulphate is white crystal; ammonium chloride is white or light yellow crystal; ammonium bicarbonate is white or other dyeing powder Shaped or granular crystals. (Some manufacturers also produce large particles of spheroidal ammonium bicarbonate; superphosphate is grayish or light gray powder; heavy superphosphate is dark gray, off-white particles or powder; potassium sulfate is white crystal or powder; potassium chloride is white Or light red particles.
Odour identification method. If the liquid with strong pungent ammonia smell is ammonia water; the particles with obvious pungent ammonia smell are ammonium bicarbonate; the sour fine powder is heavy superphosphate. If the superphosphate has a very pungent sour taste, it is likely that boiling sulfuric acid is used in the production process. This type of chemical fertilizer is highly toxic and can easily damage or burn crops, especially in rice ponds. Need to be reminded that some fertilizers are true, but the content is very low, such as inferior superphosphate, the effective phosphorus content is less than 8% (the minimum standard should reach 12% ), these fertilizers are inferior fertilizers, fertilizer efficiency is not big, buy Professional identification should be requested.
When you encounter problems with fertilizer in the sowing process, please report the complaint to the relevant department in time, or call 12315 to protect your rights and interests in a timely manner.
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