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First, in the purchase process, we must have a targeted selection of products produced by regular manufacturers, and properly select rice, dry land, and fruit tree fertilizers.
Second, correctly identify counterfeit fertilizers to avoid being deceived. Nitrogen, phosphorus and potassium fertilizers and high-content compound fertilizers are products that are produced and met by the regular manufacturers. Other compound fertilizers or compound fertilizers have varying degrees of inferior quality. Four identification methods should be mastered: firstly, see if the production certificate number and the certificate number are complete; the products with incomplete certificate number are generally produced by individual small factories or black factories; secondly, the proportion of particles and their smoothness are large or too smooth , Its adulterate ingredients are large; Third, look at the date of production, the longer the storage time, the total nutrients of fertilizer will gradually reduce; four smell fertilizer, generally less odor of urea-type compound fertilizer, nutrient content is more stable, ammonium nitrate or chlorine The ammonium compound fertilizer has a relatively large odor and the nutrient content is not stable, and the use effect is poor.
Third, to prevent false prices. The total nutrient content below 25% is marked as compound fertilizer or compound fertilizer or organic compound fertilizer, multi-element compound fertilizer, each 50 kg more than 50 yuan, its prices are more false, can not be purchased.
Fourth, to prevent false propaganda and mislead the use. Some fertilizers have a total nutrient content of less than 25% and their fertilizer efficiency is not stable. Their advertising campaigns often exaggerate the effects and effects, and they are highly deceptive and misleading. (Jiao Man Niu Pui Ren Haiyan)
Buy fertilizer four attention
With a wide variety of fertilizers, industrial and commercial workers have found a lot of counterfeit and deteriorating fertilizers in counterfeit operations of agricultural materials. These counterfeit and deteriorating fertilizers have brought greater harm to the vital interests of farmers. Here, the industrial and commercial personnel reminded farmers and farmers that they should pay attention to several issues when purchasing fertilizer: