There are ways to increase the number of counterfeit compound fertilizers

Compound fertilizer is one of the main fertilizer varieties used by farmers' friends. It is made of physical processing, and there are at least two kinds of fertilizers in the three nutrients of nitrogen, phosphorus and potassium. Because compound fertilizers can be fertilized according to different crops and soils, they are more likely to increase yields and incomes than single fertilizers such as potash fertilizers and phosphate fertilizers. Therefore, they are deeply loved by farmers.

Through comparative tests and market surveys, it was found that some of the compound fertilizer products contained nutrients that were not up to standard, and some even intentionally included calcium, magnesium, and sulfur that were not contained in the nutrient content, serving as nutrients, and falsely indicating that they reached 40% or even 50. More than %; Excessive moisture content, which results in a weak granularity of the fertilizer, and it is easily broken when used. There are two kinds of potassium in compound fertilizers, one is potassium chloride and the other is potassium sulfate. Potassium chloride contains chlorine. It is not appropriate to use chlorine crops (eg grapes, potatoes, tobacco, sugar beets). The national standard requires that the chlorine content of fertilizer products must be marked on the outer packaging, but some manufacturers use the lower market price of potassium chloride as potassium sulphate in order to increase the potassium content. However, the packaging does not label chloride ions intentionally, and the farmers are using it. Misuse of chlorine in sensitive crops will cause serious consequences such as reduced production.

Remind the majority of rural consumers that when purchasing fertilizer, they must go to the distribution outlets where there are fixed places, legal procedures, complete licenses, and the credibility of the scale of agricultural products. Here are six easy ways to identify compound fertilizers.

Look. Look at the packaging logo. Whether the fertilizer is double-packed, and whether the outer bag is marked with the trademark, production license number, agricultural use registration number, standard code, total nutrient content, and nutrient mix, the name and address of the manufacturer. Second, look at the content of the logo. The total nutrient content of compound fertilizers must be the sum of nitrogen, phosphorus, and potassium contents. The contents of other elements cannot be included in the total nutrient content. Otherwise, it is misleading farmers' consumption. The total nutrient content of nitrogen, phosphorus and potassium ternary or binary compound fertilizers shall not be less than 25%, otherwise it is an unqualified product. Three to see the bag of fertilizer. Compound fertilizers have different colors such as dark gray, gray, milky white, pink and light yellow due to different raw materials and production techniques. Their appearance is small spherical, smooth surface, uniform particles, no obvious powder and mechanical impurities. If it is easy to agglomerate, the moisture content is too high.

smell. Compound fertilizers generally have no odor (except for organic-inorganic compound fertilizers). If they have odors, they are inferior compound fertilizers.

taste. A small amount of compound fertilizer can be tasted at the time of purchase. If there is no salty bitterness, it is a shoddy product.

touch. Grab half of the compound fertilizer by hand and knead it. There is a layer of gray powder on the hand and the sticky feeling is of good quality. The inferior compound fertilizer has no stickiness and there is no white crystal in the pellet.

Dissolved. Put into water, particles will slowly dissolve into a paste. Fertilizer granules do not dissolve in water for a long time and there may be some problems with the quality of the fertilizer.

burn. Burned on an open fire, nitrogen has ammonia odor, potassium yellow flame, the more concentrated the ammonia odor, the yellower the yellow flame, the higher the content, and vice versa for poor quality compound fertilizer.

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