What are the hazards of fake and shoddy fertilizers?

As the saying goes: "People are delayed for a while and a year." Once farmers buy and use fake and shoddy fertilizers, the losses will be difficult to make up, which not only affects farmers' enthusiasm, but also harms farmers' interests. The following are several common methods to identify true and false fertilizers:

Look at the packaging of fertilizer first. The fertilizer packaging bag must be marked with product name, nutrient content (grade), trademark, net weight, standard code, factory name and address, contact telephone number, production license number and fertilizer registration number. If the above signs are missing or incomplete and the packaging is rough, it may be fake and shoddy compound fertilizer. Pay special attention to the fertilizer with obvious unpacking marks on the packaging bag. This phenomenon may be adulterated. In addition, pay attention to the production date on the production certificate in the fertilizer bag. If the fertilizer is stored for too long, the total nutrients will be lost. Secondly, look at the granularity (or crystalline state) of fertilizer. High-quality fertilizers have uniform particle size and specific gravity, smooth surface, and are not easy to absorb moisture and agglomerate, while fake fertilizers are just the opposite, with uneven particle size, rough surface, high humidity and easy to agglomerate. Third, look at the color of fertilizer. The color of high-quality fertilizer is very uniform, and there is no obvious color difference. The whole particle is uniform from the inside out. Most fake fertilizers are coated on the surface, which is easy to decolorize.

Grab a handful of fertilizer by hand and hold it hard for a few times. The quality with the feeling of "oily wet" is relatively reliable. As dry as before, it's probably fake and shoddy fertilizer.

Dissolution put fertilizer particles into a small amount of water, and after a period of time, you can judge according to the dissolution of fertilizer. Fertilizer particles with good quality will absorb water, expand, disperse and dissolve, and dissolve stably after vibration, with almost no residue. However, the solubility of fake and inferior fertilizers is contrary to the above situation, with poor solubility and residue.

Combustion combustion method is one of the simple methods to judge the authenticity of fertilizer and distinguish the concentration. Heat or burn fertilizer particles, and identify the advantages and disadvantages of fertilizer from melting, smoke, smoke smell and residue. After heating, the fertilizer will bubble, melt, smoke and smell ammonia, and the particles will become smaller. The higher the concentration, the less residue. High-quality and high-concentration fertilizer burns completely and has almost no residue. On the contrary, those fertilizers that can't burn or can burn but have no ammonia smell are probably fake fertilizers.