Recently, the mass media continuously reported on the situation of production and consumption of fertilizers, fertilizers of poor quality. As a result, the farmer has to bear the “money-loser” carry without knowing who to call. To help farmers protect themselves, we would like to introduce some of the experience gathered from the experts in the field of fertilizer. This will be useful so much for you in distinguishing and selection of fertilizer high quality to get the best efficiency in agricultural production.
Overview of fertilizer
Similarly to human food, fertilizer is a food for crops and soil, nutrient supplements for healthy plants and achieving optimum harvest quality.
The fertilizer contains many nutrients needed for plants. The main nutrients in manure: nitrogen (N), phosphorus (P), and potassium (K). In addition to the above, there are also groups of trace elements…
Fertilizer is the “food” of crops and soil
Fertilizers are divided into three major categories: organic fertilizers, chemical fertilizers (inorganic fertilizers) and microbial fertilizers, with the major difference being the origin, not the differences in the nutrient composition. Organic fertilizers and some inorganic fertilizers have been used for centuries, while inorganic chemical fertilizers have only grown since the industrial revolution. Understanding and using fertilizers are important components of the Pre-industrial English Revolution and the industrial green revolution of the twentieth century.
Different types of fertilizer
Fertilizer usually provides nutrient, according to different proportions :
- Three basic nutrients: nitrogen, phosphorus, and potassium.
- Three nutrients such as calcium (Ca), sulfur (S), magnesium (Mg).
- And micronutrients or trace minerals: chlorine (Cl), manganese (Mn), boron (Bo, iron (Fe), zinc (Zn), molybdenum(Mo) and selenium (Se),…
Nutrients are consumed in large quantities and are present in plant tissues with amounts ranging from 0.2% to 4.0% (on a dry basis). Micronutrients are consumed in small numbers and are present in the plant tissue with measured quantities of several parts per million (ppm), ranging from 5 to 200 ppm, or less than 0.02% of dry weight.
There are many types of fertilizer
Fertilizer plays a very important role for crops. So the distinguishing and selection of fertilizer is necessary. Choosing the right fertilizer is not only good for plants, but also for the environment and help farmers can achieve the highest economic efficiency.
Today, the leading criterion in agricultural production is sustainable agricultural development to protect the environment and the ecosystem. So many types of organic fertilizer are believed to be used in agricultural production. However, inorganic fertilizer does not lose the essential role. There are two main types of chemical fertilizers in the market:
Mono-chemical fertilizer
This is a group of fertilizers containing a major macronutrient, consisting of three main types:
- Nitrogenous fertilizer: Urea contains 46% nitrogen (N), ammonium-sulfate (SA) contains 20-21% N.
- Phosphate fertilizer: Including superphosphate and fused magnesium, containing 15.5% -16% of phosphorus, mainly produced in the country from the raw material is apatite ore produced by 4 factories are Lam Thao Chemicals factories, Long Thanh, Van Dien Fused Magnesium Phosphate and Ninh Binh Fused Magnesium Phosphate.
Van Dien Fused Magnesium Phosphate fertilizer
- Potassium fertilizer containing more than 60% potassium or potassium chloride or potassium oxide, usually MOP, SOP, …
Compounded fertilizer
Fertilizer group contains 2 or more micronutrients. In addition, it may contain some nutrients, medium, and micronutrients, including the following:
1, Fertilizer containing Nitrogenous and Phosphate, such as mono-ammonium phosphate (MAP) contains about 10-11% of Nitrogen and 49-50% of Phosphorus. Or DAP contains 16-18% Nitrogen and 44-46% Phosphorus
2, Nitrogen and potassium fertilizers commonly refer to as mixed fertilizer KNS, NKS, NK. They are some main fertilizer in Vietnam from the raw materials are two types of fertilizer SA and MOP. They have added some additives such as pigment, red clay powder. But they divide into different categories due to different ingredient content and different commercial brands depending on the production base.
3, Fertilizers containing Nitrogen, Phosphorus, and Potassium, commonly referred to as NPK compounded fertilizer. They include a lot of different types due to their different compositional ratios and different commercial names.
NPK compounded fertilizer containing Nitrogen, Phosphorus, and Potassium
Distinguishing and selection fertilizer high quality for agriculture production
How to distinguish and identify fake fertilizer?
The fertilizer such as Urea, SA, Phosphorus fertilizer is difficult to counterfeit. It’s due to the complexity of the production process, the high cost of investment, special materials or scarce. So counterfeiting is not very profitable. For compounded fertilizer and Potassium fertilizer, it is easy to counterfeit. Because of quality due to simple production technology, low investment cost, big profit due to the high price difference.
The identification of genuine goods, counterfeit goods, poor quality goods can identify by analytical machinery. And that is difficult to distinguish by the sense. We need some best techniques for distinguishing and selection of fertilizer.
However, it is not entirely possible to distinguish fertilizer by the senses. Through many years of practical experiences, we will share with the farmers some experience to help distinguish, select the real fertilizer as follows:
Potassium chloride (KCl) contains 60% K2O
Typical Colors: Red, Pink, Red, and White. Farmers are more likely to buy fecal fertilizer due to the presence of NK, KNS, and NPK fertilizers on the market. Distinguishing and selection of fertilizer Potassium chloride must be careful.
The red color is typical of potassium, but in fact, only 10-30% is carbon black, the rest is SA, salts, colors, red clay. This is a kind of fertilizer that we must import100%. So fertilizer produced by domestic establishments, with 60% K2O contents, may be counterfeit goods.
When shopping, bring a small glass, white and transparent glass with a small amount of clean water in the cup. Drop one to three grams of product into a 50-100 ml glass of water to make the experiment and observe the results as follows:
Distinguishing and selection of fertilizer by the testing method: Put 3-5 grams of dried fertilizer into the clear glass.
- Real potassium chloride:
– The glass of red water
– Partially submerged in water, partly floating on the water
– After the strong, the solution turns pink, not turbid, with red scum sticking around the cup dissolve all.
Distinguishing and selection Potassium chloride
- Potassium chloride poor quality:
– Cup of water immediately pink
– The entire sink sinks and melts very fast
– After the strong, the solution is rosy red, still, no red scum sticking around the cup can leave residues insoluble.
Potassium sulfate (K2SO4) contains 50% K2O:
White color in the form of granules or powder is also the type of fertilizer to be imported, the amount of use is not common, easy to forge when mixed with limestone powder or raw lime powder, white clay powder. The distinction is as follows:
Distinguishing and selection of fertilizer by the testing method: Put 7-10 grams of feces into a glass of water.
- Real Potassium sulfate: Dissolve in water, the solution is the clear color.
- Fake Potassium sulfate: May not be completely dissolved, leaving deposits (stone powder) or turbid solution due to the slurry of lime or white clay.
Urea fertilizer:
There are two kinds of Urea fertilizer: granular and prilled. Both of which have the same chemical formula and nitrogen content, at least 46%.
– Urea: is the most common, very soluble fertilizer, white in color, round grain. This type of fertilizer is very difficult to counterfeit. However, poor quality has been reported by mixing SA into Urea fertilizer at a certain rate because SA is less expensive than urea.
Granular Urea fertilizer with big around of granules
Prilled Urea with small granules
The characteristic of Urea is that it has around grain shape. And if it contains SA, the SA particles are crystalline, with many angles. So the distinguishing and selection of fertilizer of fertilizer like urea are usually not too difficult.
NPK fertilizer:
Dividing NPK into two groups:
– Mineral Fertilizer Group: Mixing all kinds of fertilizer containing nitrogen, phosphorus, and potassium together in a certain proportion. This group has a simple production technology. But the product makes it difficult to forge but can only be of poor quality. Distinguishing and selection fertilizer as NPK is really important.
– Compounded group: is produced by crushing, mixing all kinds of ingredients, then forming the granules. This group is susceptible to counterfeiting, by imitating cheap ingredients such as peat, clay, powder … to make the product look and feel like the real thing.
For NPK compounded fertilizers in general, it is difficult to distinguish between real and fake. And to determine the level of quality by common sense but based on the analysis results of the analysis centers. General experience to buy the right type and quality of NPK fertilizer that is to buy products of large companies, reputable market. Or purchased at the sales agent of the company.
DAP fertilizer
DAP is around grain, with many different colors such as turquoise, banana green, yellow, ivory white, gray, brown, black. The quality of the fertilizer depends on the nutrient content on the packaging. Up to now, there are many cases of DAP counterfeit. Therefore, when purchasing DAP fertilizer must check the packaging clearly and nutrient content of the product …
The best address to buy high-quality fertilizer and safety
Why should you choose us?
Vietnam Fertilizer is one member website of Song Than Export and Import Co., Ltd. This company is Song Than Exim Co., Ltd and established in 9/9/2016. It is license business by Tax Department of Gia Lam District, Hanoi.
We are the wholesaler, we specialize in export and import some kinds of fertilizer. For a long time, we can develop and enhance the market. We can export the fertilizer to other countries with the high quality. Distinguishing and selection of fertilizer high quality in our company is always easy and reliable.
High technology line production in the factories we cooperate
Our main fertilizer products
Products have the best quality, best price and we also serve the customer with the best service. We have a professional team working on the website. And a great team of staffs can support customers at any time. We also have the team of experts for distinguishing and selection of fertilizer.
Our website always effort to provide for you the best agricultural news, techniques, information. The best fertilizer products in order to create an agriculture sustainably.
The products we offer are genuine high-quality products
The products we offer are genuine high-quality products, which are based on modern production lines. Products have clear packaging, labels, barcodes and accurate information. Fertilizer products have been subjected to strict quality control from the production process to the selling out. Therefore, you can rest assured that we always provide the best quality fertilizer products at the cheapest price.
Contact us
Please contact us to receive the free advisory from our team of staffs.
- Hotline company: +84 973 777 132
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- Email: info@songthanexim.com
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