Summary of the latest knowledge of the latest water soluble fertilizer products in 2014
In 2014, the latest knowledge of water-soluble fertilizer products was summarized . On water-soluble fertilizers, it was highlighted at several conferences this year. The market's recognition of water-soluble fertilizers has led many companies to gradually adjust the focal length to this. Compared with traditional fertilizers, water-soluble fertilizers are quick-acting, water-soluble and residue-free. They can be completely dissolved in water and can be directly absorbed and utilized by the roots and leaves of crops.
The use of water and fertilizer with the application of water and fertilizer to achieve water and fertilizer integration, its effective absorption rate is more than double the common chemical fertilizer, can reach 90%; and fertilizer efficiency, can solve the nutritional needs of high-yield crops in the rapid growth period. The nutrient elements of water-soluble fertilizers are relatively comprehensive, and the fertilizers have different formulas according to the fertilizer characteristics of different crops. The market sells special water-soluble fertilizers for vegetables, fruit trees, flowers, grain, cotton, oil and other crops.
Water soluble fertilizer formula logo
Many people don't understand how water-soluble fertilizers are labeled. For example, a certain water-soluble fertilizer label on the market is 20-20-20+TE, and everyone does not know what is going on. In order to identify the different components of various water-soluble fertilizers, we generally use N-P2O5-K2O+TE (trace elements) to represent the different ratios in water-soluble fertilizers. For example, 20-20-20+TE means that the total nitrogen content in the water-soluble fertilizer is 20%, the phosphorus pentoxide content is 20%, and the potassium oxide content is 20%. TE means that the fertilizer contains trace elements, and the water-soluble fertilizer manufacturers generally specify the content and form of trace elements in the fertilizer in their technical manual.
The trace elements in water-soluble fertilizers are generally dominated by chelated trace elements. Since the absorption and utilization efficiency of chelated trace elements is about forty times that of inorganic trace elements and it is very safe, even if it is very low, there is no need to worry. Crops are deficient in symptoms, and of course, trace elements are less likely to be poisoned, and there is no need to worry about the combination of different elements that can cause stagnation. However, the price of water-soluble fertilizers with trace elements is generally high. Many small manufacturers do not add chelated trace elements in order to obtain benefits. Therefore, people must be cautious when purchasing.
Domestic common water soluble fertilizer brands (in no particular order)
Beijing Xinhefeng: The time for water-soluble fertilizer is still relatively long, the product effect is good, and the sales are also counted in the small-fertilizer enterprises, but it needs to be strengthened in brand promotion.
Beijing Lei Li: A company that is very good at seaweed fertilizer. Especially after the start of the Lei Li chain, the influence is obviously increased, and the grassroots work is also in place, especially in some image building.
Shanghai Fangdian: In the last two years, the product variety has increased rapidly, but the real name is still a lot of elemental water-soluble fertilizer. In particular, the Fangrun series should be NO.1 in Shouguang, and some local publicity efforts are relatively large. There is still a need to increase the intensity of shaping.
Shanghai Hanhe: It belongs to the New Victory Group. It should be said that there are several good products and relatively strong, mainly the products of the agent. Now the limelight is covered by the new direction of Yala.
Jiangsu Dragon Light: Water-soluble fertilizer relies on a real root (originally called Roots) to start in Shouguang, leading the development of the whole industry. The Sea Elf is also a good product, mainly based on point and face, local propaganda, in pure brand promotion. Little investment.
Weifang Leduo: It is also a bit of influence in China. The products can only be said to be ok, but the marketing is not bad. With the characteristics of the Red Women's Army promotion team, some places are still very good, the total sales are not counted. high
Sichuan Xindu Chemical: Xindu Chemical, which is mainly based on big fertilizer. Now the water-soluble fertilizer series is also made up of wind and water. It has the strength of funds and the advantages of the original brand channels. It attaches great importance to the supporting facilities of water-soluble fertilizers and is committed to Solve the problem of facilities to solve some difficulties in the existence of water-soluble fertilizer, very good service direction.
Shenzhen Batian: It is famous for making nitro compound fertilizer, which gives people the impression that it is a quick-acting product. It may also have a certain effect on the promotion of water-soluble fertilizer later. In short, there are brands and channels, and naturally it is natural.
Guangxi's new direction: I have to say that all the information I see throughout the year is about the new direction of publicity, exhibitions, websites, conference microblogs, etc., the propaganda is not to mention, it is difficult to ignore it.
Yunnan Malone Sanfu: In the past two years, it has been basically seen in various related exhibitions. Other media have also seen it. The propaganda is very strong and it is a promising brand.
Now basically whether it is started from the beginning of water-soluble fertilizer, or the original big fat or pesticide companies, basically there will be such a two or N water-soluble fertilizer products, it is really difficult to rank, but the good thing should be Each has its own characteristics.
National water soluble fertilizer standard , recommended reading: a large number of elements of water soluble fertilizer NY 1107-2010 national standard
Common raw materials for water soluble fertilizer
1. Calcium nitrate CaNO32614H2O contains two nutrients, nitrogen and calcium, of which the nitrogen N content is 11.9 and the calcium Ca content is 17.0. The appearance of calcium nitrate is white crystal and is easily soluble in water at 20 ° C. It can dissolve 129.3 g per 100 mL of water. It is highly hygroscopic and is highly exposed to air. It is easy to absorb water and decompose under high temperature and high humidity conditions. Therefore, it should be sealed and placed in a cool place when storing.
Calcium nitrate is a physiological alkaline salt. The root system absorbs nitrate ions at a higher rate than the calcium ions and thus exhibits physiological alkalinity. Since calcium ions are also absorbed by the crops, their physiological alkaline properties are not too strong. As the calcium ions are absorbed by the crops, their physiological alkalinity will gradually weaken. Calcium nitrate is currently the most widely used nitrogen source and calcium source fertilizer in soilless culture. In particular, most nutrient solutions for calcium sources are provided by calcium nitrate.
2. Ammonium nitrate NH4NO3 The nitrogen content of ammonium nitrate is 3435, among which ammonium nitrogen NH4-N and nitrate nitrogen NO3--N account for half. The appearance of ammonium nitrate is white crystal for agriculture and some industrial ammonium nitrate is added into a hydrophobic substance to prevent moisture. The solubility is very large. When the solubility is 20 ° C, 188 g can be dissolved in 100 mL of water.
Ammonium nitrate is very hygroscopic and easy to form. Pure ammonium nitrate is highly hygroscopic and deliquescent when exposed to air. Therefore, it should be sealed and placed in a cool place during storage. In addition, ammonium nitrate has flammability and explosive properties that cannot be stored together with flammable and explosive materials during storage and transportation. The wetted agglomerated ammonium nitrate cannot be tapped and broken with a metal object such as a hammer or a non-metallic material such as a wooden hammer or a rubber hammer.
Because ammonium nitrate contains 50 ammonium nitrogen and 50 nitrate nitrogen, most of the crops tend to produce stronger physiological acidity than nitrate ions when they are added to ammonium nitrate for a period of time. Both the nitrogen and ammonium nitrogen are gradually absorbed by the crop and their physiological acidity gradually disappears. At the same time, crops that are sensitive to ammonium nitrogen at higher dosages will affect the absorption and growth of their nutrients. Therefore, special attention should be paid to the use of ammonium nitrate as the nitrogen source for nutrient solutions.
3. Potassium nitrate KNO3 The nitrogen content of potassium nitrate is 13.9. The content of potassium K is 38.7. It can provide nitrogen source and potassium source. It has white appearance and is less hygroscopic. Long-term storage in a damp environment will also agglomerate. The solubility in water is preferably at 20 ° C, and 31.6 g can be dissolved in 100 mL of water. When potassium nitrate has combustion-supporting and explosive storage and transportation, be careful not to violently hit it. Do not mix it with flammable or explosive materials. Potassium nitrate is a physiological alkaline fertilizer.
4. Ammonium Sulfate NH42SO4 The amount of nitrogen in the ammonium sulfate is 2021. It is prepared by neutralizing NH3 with sulfuric acid. The appearance is white crystal and soluble in water. At 20 ° C, 75 g of ammonium sulfate can be dissolved per 100 g of water.
Ammonium sulfate has good physical properties and is not easy to absorb moisture. However, when ammonium sulfate contains more free acid or the humidity of the air is large, long-term storage will also absorb moisture and agglomerate. When the ammonium sulfate in the solution is absorbed by the plant, the absorption rate of NH4 in most crop roots is faster than that of SO42-, so that the sulfuric acid accumulated in the solution is acidic. Therefore, ammonium sulfate is a physiological acid fertilizer. Pay attention to changes in physiological acidity when used as a nutrient liquid nitrogen source.
5. Urea NH22CO Urea is produced by the reaction of ammonia gas NH3 and carbon dioxide CO2 at high temperature, high pressure and in the presence of a catalyst. The nitrogen content of urea is as high as 46, which is the highest nitrogen content in solid nitrogen fertilizer. Pure urea is white needle crystal and has strong hygroscopicity. In order to reduce its hygroscopicity, urea used as a fertilizer is often made into a granular form and is surrounded by a layer of hydrophobic substances such as paraffin.
Therefore, the hygroscopicity of fertilizer urea is generally small. Urea is readily soluble in water and can dissolve 100 grams of urea per 100 grams of water at 20 °C. The urea added to the nutrient solution is gradually converted into ammonium carbonate NH42CO3 due to urease secreted by the roots of the plant and dissociated into NH4 and CO32 in water. The urea is selected because the rate of absorption of NH4 is faster. Physiological acid fertilizer.
Hydroponic culture in soilless culture is rarely used except for a small number of formulations using urea as a nitrogen source. It can be mixed into the matrix for use in matrix cultivation.
This article URL: Summary of the latest knowledge of the latest water soluble fertilizer products in 2014
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Fucus is a brown algae that grows on rocks along the shore.It grows on the coast of Brittany, France, where Marine life is rich and can be harvested at low tide.Its algal body is black brown, into double forked branches, for flat hornlike leaves.Its moisturizing properties, glutamate, can increase the skin's softness and smoothness.Brittany women use a combination of fucus and other Marine plants to make a moisturizing lotion that sooths their skin after the sun.
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