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Second, correctly identify fake and inferior fertilizers, to avoid being deceived. Nitrogen, phosphorus and potassium fertilizers and high-content compound fertilizers are all produced by regular manufacturers and meet the standards. Other compound fertilizers or compound fertilizers have different degrees of counterfeit quality. Four methods of identification should be mastered: look at the production certificate number and the certificate number are complete, the products with incomplete certificate numbers are generally produced by individual small factories or black factories; secondly, the specific gravity and smoothness of the particles are more important or too smooth. The adulterated ingredients are large; three look at the date of production, the longer the storage time, the total nutrient of the fertilizer will gradually decrease; the smell of fertilizer, the general urea-type compound fertilizer has less odor, the nutrient content is more stable, ammonium nitrate or chlorine The ammonium compound fertilizer has a relatively large odor, the nutrient content is not stable, and the use effect is poor.
Third, we must prevent false prices. The total nutrient content of 25% or less is marked as compound fertilizer or compound fertilizer or organic compound fertilizer, multi-element compound fertilizer, more than 50 yuan per 50 kg, the price is relatively false, can not be purchased. Fourth, we must prevent false propaganda and mislead use. The fertilizer efficiency of some compound fertilizers with a total nutrient content below 25% is unstable, and its advertising often exaggerates the effects and effects, with great deception and misleading, beware of being fooled.
Three notices for purchasing fertilizer in autumn
There are many varieties of fertilizers, and industrial and commercial personnel have seized a lot of counterfeit and degraded fertilizers in the anti-counterfeiting activities of agricultural materials. These counterfeit and degraded fertilizers have brought great harm to the vital interests of the majority of farmers. Here, the industrial and commercial personnel reminded the majority of farmers to pay attention to several problems when purchasing fertilizer: First, in the purchase process, we must select the products produced by regular manufacturers in a targeted manner, and correctly select rice, dry land, and fruit tree fertilizers.
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