Simple Identification Method for Nitrogen Fertilizer
Simple Identification Method for Nitrogen Fertilizer
Chemical fertilizer plays an important role in agriculture market as food in grain. The essential nutrient can be devided into 3 elements, nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer, the Department of Agriculture has a clear standard for naming all kinds of fertilisers, but there are no production workshop, no fertilizer production lines even lack of technicians in some fertilizer companies, fake fertilizer suppliers took advantage of the fact that farmers did not know the label meaning on fertilizer packaging and did not understand the content of fertilizer, they counterfeited the packaging of fertilizer products from well-known manufacturers and used the ammonium chloride to produce large amounts of informal nitrogen fertilizer to disrupt the market, for example: ammonium nitrogen fertilizer and compound nitrogen fertilizer, these fertilizers are non-state standard. So I release this blog to you agricultural practitioners.
A: Enterprise standards are not as the same as national standards.
Some chemical fertilizer suppliers do not have with its corresponding national implementation standard on fertilizers, they only have their own enterprise standards in order to confuse the market sales price with inferior. Farmers should pay more attention on marked Enterprise standard fertilizer packaging.
As picture tells, ammonium nitrogen fertilizer (25.15%) is a kind of nitrogen element in nature and is not an indicator of national fertilizer nutrient sampling
B: Total content is not total nutrient content
Confusion about nutrient content is common in addition to the implementation of standards, the ratio of nitrogen, phosphorus and potassium to nutrients is actually the abbreviation of the ratio of hydrolytic nitrogen, phosphorus and potassium oxide. Some fertilizer manufacturers changed the concept to mislead farmers, here I give you an exmple: the content of S ≥20%, so that the total nutrient of original ammonium sulfate has more than 42% nitrogen, but the actual material is ammonium sulphate fertilizer. Ammonium sulfur is a nitrogen fertilizer in low content and long-term use will lead to soil compaction and can not achieve the effect of compound fertilizer.
The government stipulates that compound fertilizer must contain two or more nutrient elements through chemical reaction, so when purchase fertilizers, you must see that in addition to hydrolytic nitrogen, phosphorus and potassium oxide, other elements can not be counted in the nutrient content.
To sum up, there are so many different brands of fertilizer and you need to keep your eyes open when buy fertilizer. Fake fertilizers not only harm field and crops, but also affect the brands of large fertilizer manufacturers.