How to choose water-soluble fertilizers? Master these purchasing tips
How to choose water-soluble fertilizers? What should water-soluble fertilizers mainly be chosen by? We also ask experienced netizens to help introduce this. There are now a large number of water-soluble fertilizers on the agricultural input market, but many farmers often do not know the standards for judging the quality of water-soluble fertilizers when choosing them. Substandard water-soluble fertilizers are not only harmful to agricultural production...
How to choose water-soluble fertilizers? What should water-soluble fertilizers mainly be chosen by? We also ask experienced netizens to help introduce this.There are now a large number of water-soluble fertilizers on the agricultural input market, but many farmers often do not know the standards for judging the quality of water-soluble fertilizers when choosing them. Substandard water-soluble fertilizers are not only harmful to agricultural production, but also cause environmental pollution and even bring greater losses. Therefore, Zhongdi Network has compiled methods for purchasing water-soluble fertilizers, listed in detail below for netizens' reference.
Method 1: Purchase according to the content indicated:
For many water-soluble fertilizer products, whether they are legitimate products can be seen from the label alone without opening the package. For example, for macro-element water-soluble fertilizers, first look at the content of macro-element and micro-element nutrients on the packaging bag.
According to the standard for macro-element water-soluble fertilizers, the single nutrient content of the three elements nitrogen, phosphorus, and potassium cannot be lower than 6%, and their total cannot be lower than 50%. If on the packaging bag a certain macro-element is marked at less than 6%, or the total of the three elements is less than 50%, it indicates that such a product is substandard. Micro-element content refers to the total content of copper, iron, manganese, zinc, boron, and molybdenum. The product should contain at least two micro-elements, with a content of 0.5%-3.0%.
Method 2: Purchase according to the registered crops for the product:
Water-soluble fertilizers are registered according to trial crops, which may be one or several crops. For crops that are not registered, purchase and use them cautiously, or choose them based on previous experience.
Method 3: Purchase according to the product's three certificates (product execution standard, product generic name, and fertilizer registration certificate number):
Most water-soluble fertilizers implement the industry standards of the Ministry of Agriculture, that is, those beginning with NY; the generic names are the several types above; for the fertilizer registration certificate number, water-soluble fertilizers are all registered with the Ministry of Agriculture, and the registration certificate number is: Nongfei (****) Lin (Zhun) Zi No. ****. If farmers have doubts about a product, they can check its fertilizer registration certificate number online.
Method 4: Purchase according to whether the product packaging indicates heavy metal content:
The heavy metal content of water-soluble fertilizers produced by legitimate manufacturers should comply with national standards and be clearly indicated. If the fertilizer packaging bag does not indicate heavy metal content, please use it with caution.
Method 5: Purchase according to the fertilizer's solubility in water:
The fertilizer can be dissolved in water. Qualified water-soluble fertilizers should be more than 95% soluble in water, with a clear solution and no residue or very little precipitate; otherwise, it indicates that the fertilizer quality is poor.
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Click to get more water-soluble fertilizer application techniques
Click to get more fertilizer application techniques