The price is three times the difference between good and bad water-soluble fertilizer

Water-soluble fertilizer is a new type of fertilizer in my country's chemical fertilizer industry in recent years.
It is in line with the status quo of modern agricultural development.
It is a quick-acting fertilizer with good water solubility, no residue, and can be completely dissolved in water and can be affected by the roots of crops.
The leaf surface is directly absorbed and utilized.
Water and fertilizer are used together to apply water and fertilizer, and the integration of water and fertilizer is realized.
Its effective absorption rate is more than double that of ordinary fertilizers, reaching 80%-90%.
However, prices in today's water-soluble fertilizer market are uneven.
Nowadays, the price of fully water-soluble fertilizers on the market is quite wide.
Some 6,000 yuan can buy a ton, while others can reach more than 10,000 yuan per ton, or even more than 20,000 yuan.
Both are fully water-soluble fertilizers.
Why is there such a big difference? According to industry insiders, this is mainly related to the level of raw materials used.
Raw material grade Raw material grade raw material is the most fundamental factor that determines the price of water-soluble fertilizer.
There are four levels of raw materials for the production of water-soluble fertilizers, food grade, feed grade, industrial grade, and agricultural grade.
The grade of raw materials directly determines the price of water-soluble fertilizers and there is a big difference.
Taking potassium dihydrogen phosphate as an example, the price of food grade is about 13,000 yuan, the price of feed grade is about 12,000 yuan, the price of industrial grade raw materials is about 8,000, and the price of agricultural grade is about 7,000.
High-quality water-soluble fertilizers are generally produced with industrial-grade raw materials, which are expensive, and are significantly better than agricultural-grade raw materials in terms of fertilizer nutrient content, water solubility, absorption efficiency, heavy metal content, and product stability.
Inferior water-soluble fertilizers are produced using agricultural-grade raw materials, which are low in price and difficult to guarantee in quality.
Even illegal manufacturers use all water-soluble fertilizers to make a fuss by loading pure magnesium sulfate, potassium chloride or potassium nitrate and other raw materials to make huge profits.
Phosphorus source Phosphorus source water-soluble fertilizer, the source of phosphorus is very important, phosphorus source has a very important role in promoting flowers and fruits, and promoting root development.
The phosphorus content in water-soluble fertilizers is expressed as phosphorus pentoxide (P2O5).
Qualified water-soluble fertilizers should be 100% completely water-soluble, mainly emphasizing that the product has no impurities and will not block the drip irrigation tube's micro dripper, and the water-insoluble matter is ≤0.
1%-0.
2%, which means that the raw materials of various water-soluble fertilizers are high-purity chemicals.
, Generally reach the industrial grade (TECH-GRADE) level, Some are also called drip irrigation level or greenhouse level.
Poor selection of phosphorus source means poor fluidity, product is easy to agglomerate, and it is also easy to block drip irrigation pipes and drippers, resulting in solid deposition and fouling in the user's fertilizer tank.
The poor phosphorus source is used as a compound raw material to mix unevenly with other raw materials, and the absorption rate is low.
Potassium sources There are four main sources of potassium: potassium chloride, potassium sulfate, potassium nitrate and potassium dihydrogen phosphate.
Generally speaking, potassium chloride type fertilizers have the lowest price, followed by potassium sulfate type, and potassium nitrate and potassium dihydrogen phosphate type are the best.
Because potassium sulfate type and potassium chloride type contain a large amount of sulfate ions and chloride ions, long-term application can easily lead to calcium deficiency in crops, which can easily lead to fruit cracking, rotten heads, black root tips and stop growth, yellow leaves, umbilical rot and other diseases.
.
In addition, long-term use of fertilizers containing sulfate ions and chloride ions will greatly reduce the absorption efficiency of nitrate nitrogen, and increase the accumulation of salt in the soil in the greenhouse, and the soil compaction is not conducive to the growth of crop roots.
With potassium nitrate and potassium dihydrogen phosphate type water-soluble fertilizers, either element of these two types can be absorbed and utilized by crops without the above-mentioned symptoms such as salt accumulation, and the corresponding price is also the highest.
The formula is based on the formula, and according to the different technical advantages of each manufacturer, a good water-soluble fertilizer will add some combination of additives to formulate the water-soluble fertilizer to prevent product agglomeration, add chelating agents to prevent element leaching and loss, and improve fertilizer utilization.
, Improve crop yield and quality.
Manufacturers in Xiao Hutong are good at adding hormones and other substances to water-soluble fertilizers.
After applying hormone fertilizers, they will cause excessive cell expansion and destroy the growth of plants.
The effect is very obvious in the early stage, but it is easy to cause premature aging in the middle and late stages and reduce plant resistance.
, Which seriously affects the mid- and late-stage production of plants, and is also easy to cause phytotoxicity, but the ultimate victims are farmers.
In this regard, high-quality water-soluble fertilizers generally do not have obvious ammonia smell and pungent hormone taste, which is also critical.
The identification method depends on the content.
Good water-soluble fertilizers use industrial-grade or even food-grade raw materials, which are very pure and do not add any fillers, so the content is relatively high, and 100% can be absorbed by crops.
The content of nitrogen, phosphorus and potassium is generally up to 60% or even higher.
Poor water-soluble fertilizers are generally low in content, and every less content, the cost will be different, and the price of the fertilizer will be different.
To determine the water solubility of water-soluble fertilizer, you only need to dissolve the fertilizer in clear water to see if the solution is clear and transparent.
If it is the same as clear water except for the color of the fertilizer, the water solubility is very good; if the solution is turbid or even precipitates, it is water soluble The performance is very poor and cannot be used in drip irrigation systems, and there will be more waste of fertilizers.
Smell Dao, good water-soluble fertilizers are made of high-purity raw materials, without any taste or a very light fragrance.
The smelly fertilizer is either added with hormones or too many harmful substances.
This kind of fertilizer can be used quickly, but it does not have any benefit to the disease resistance of the crop and the continuous yield and quality.
For comparison, after preliminary screening of water-soluble fertilizers through the above simple methods, then field comparisons are made to determine which water-soluble fertilizers to choose based on actual application effects.
Good fertilizers will not take effect too quickly, because nutrients have a process of absorption and transformation.
After using a good water-soluble fertilizer two or three times, you will see obvious differences in plant growth, crop quality, crop yield, and disease resistance.
The more you use it, the greater the difference.