Potash fertilizer is a constant basic fertilizer, which is a fertilizer for high yield and high quality of crops, and plays a pivotal role.
The common potash fertilizers in China include potassium chloride, potassium sulfate, potassium nitrate, potassium dihydrogen phosphate and farmhouse plant ash, etc., and the fertilizers are abundant.
With the rapid development of agriculture in mainland China, potash fertilizer is widely used, the demand for fertilizer is expanding day by day, and counterfeit potash fertilizer merchants are emerging rapidly.
At present, counterfeit and shoddy potash fertilizers are rampant, and it is not uncommon to pass off shoddy potash fertilizers, inferior potash fertilizers, and fake potash fertilizers, which have become an important restriction on the high yield of crops, and consumers are innocently victimized.
In order to improve the efficiency of the use of potash fertilizer and avoid the disaster of fake and inferior fertilizer for domestic agricultural development, it is necessary to master the effectiveness of potash fertilizer, the means of counterfeiting and the method of identification.
Potash effect
Similar to nitrogen and phosphorus, potassium has strong mobility and can be continuously transferred to the new young organs of plants, such as young leaves and terminal buds and other organs with a high concentration of potassium, and the application of potassium fertilizer can play a role:
Promote the development of photosynthesis. The use of potassium makes the synthesis of chlorophyll more efficient, and can also promote the transformation and transportation of nutrients, so that nutrients can be transported to the organs of the plant in time.
Practice has shown that the use of potassium fertilizers in potash-loving crops, such as potatoes, sugar beets, sugarcane and watermelons, can not only improve yield, but also improve quality, making potato chunks larger, sugar beet, sugar cane and watermelon sweeter and more popular with consumers.
Inhibit the spread of pests and diseases. Potassium supplementation in potassium-deficient soils, especially the use of farmhouse grass ash, can have the effect of sterilization and insect control, and inhibit the disorderly expansion of pathogens and insect pests in the field.
Specific diseases that can be inhibited are wheat rust, scab and sheath blight, corn powdery mildew, cotton wilt and verticillium wilt, etc., it should be noted that potassium fertilizer can play a limited role, really want to control pests and diseases or rely on scientific selection and standardized medication.
Enhance plant resistance to stress. The abundant supply of potassium can improve the resistance of plants under stress: promote the formation of strong root systems, accelerate the lignification process of thick-walled cells, thicken stems, and enhance antifreeze resistance.
It can promote the deep rooting of the root system, expand the scope and area of water absorption, facilitate water absorption, and make the opening and closing of stomata on the surface of plant leaves more sensitive, and reduce the rate of water evaporation in arid environments.
Counterfeiting methods
Deeply tempted by high profits, the domestic industrial chain of making and selling fake potash fertilizer is complete, and the means of making and selling fake potash fertilizer are varied. Counterfeiters are desperate to produce, counterfeiters are in the same stream to open channels, and consumers are confused into lambs.
Mix real and fake fat. By mixing a large number of fake and inferior potash fertilizers with a small amount of genuine potash fertilizers produced by regular manufacturers, the purpose of confusing the real and false is achieved, and ordinary consumers are deceived.
This kind of counterfeiting method can reduce the production cost to the greatest extent, and the fertilizer produced can be fake and real, and even professional experimental equipment can be used to detect the authenticity.
Falsification of fertilizer packaging. Purchase fertilizer bags produced by regular fertilizer manufacturers, clean and process, and load them with fake and inferior potassium fertilizers, and some manufacturers use homemade fertilizer bags in order to greatly reduce costs.
Most of the self-made fertilizer bags belong to the low-level technology, shoddy manufacturing, excessive exaggeration of the text content of the packaging bag, false labeling of nutrient content, wrong use of production standards, blurred producer information, and loss of facts.
Manufacture of substandard fertilizers. Fertilizer manufacturers use advanced technology advantages to produce fake and inferior fertilizers with high similarity in appearance and fertilizer efficiency to regular potash fertilizers.
Some fertilizer manufacturers even directly use other fertilizers that are cheaper but similar in appearance, referring to deer as horses, misleading consumers with low awareness and greedy for cheap purchases.
Discernment
Although the counterfeiting methods of potash fertilizer are hidden and imperceptible, as long as you can master the scientific and reasonable methods, you can sort out the real and fake, and buy real potassium fertilizer with a high degree of safety and excellent fertilizer efficiency.
Packaging discrimination. The packaging of fertilizers requires that the packaging specifications are tight, there are no mistakes, omissions and unclear expressions, and the bag has information such as product name, implementation standard, manufacturer, and production address.
The packaging process of fake and shoddy fertilizer is not standardized, the printing technology is poor, the introduction information is not perfect, the wrong and missing words, the fertilizer effect is magnified, and the bag mouth is opened, all of which should pay attention to the problem of fertilizer adulteration.
Morphological discrimination. The surface of the fertilizer is smooth, the size and shape are consistent, and the color characteristics of potassium fertilizer are conformed, such as potassium dihydrogen phosphate is white crystal particles, and potassium chloride is white or light yellow crystals.
High-quality potash fertilizer, stable performance, can be stored for a long time, strong moisture resistance, not easy to agglomerate when wet, fake and inferior fertilizer is easy to agglomerate during the storage process, the longer the time, the higher the caking hardness.
Taste discrimination. The potash fertilizer produced by regular manufacturers has a perfect preparation process and stable product properties, such as potassium sulfate, potassium chloride and potassium dihydrogen phosphate, etc., without obvious special taste.
There is a clear difference between fake and inferior potash fertilizers, the free acid content in the fertilizer is high, and the smell is pungent acidic, and the potassium fertilizer containing nitrogen elements smells slightly ammonia.
Burn discrimination. Take a small amount of potassium fertilizer, put it on red-hot charcoal or iron plate, make a crackling sound, but there is no combustion and melting reaction, it is real potassium fertilizer.
At the same time, you can also use alcohol to soak cotton balls, dip them in potassium fertilizer samples, and place them in flames to burn, which can show a light purple color, which is real potassium fertilizer, showing other colors, indicating that it may be a fake and shoddy product.
Dissolution discrimination. Potash fertilizer has strong solubility, take part of the sample and place it in clean water, quickly dissolve it after stirring, the solution has no impurities is real potassium fertilizer, and there is precipitation and flocculent is fake and inferior fertilizer.
Through the above methods, the authenticity of potassium fertilizer can be easily distinguished, and it cannot be truly qualified, although some fertilizers contain potassium, but the content is far less than the requirements of national specifications, and it is also a problem fertilizer.
If you want to clarify the authenticity of potash fertilizer at a deep level, you must take: technical means. The disadvantage of detecting the difference between the content of relevant elements in fertilizers and national standards and distinguishing the authenticity of potash fertilizers is that it takes too long and the cost of rights protection is high.
Finally, the use of potash fertilizer is no trivial matter, whether it is to choose reliable merchants and online stores to purchase fertilizer before use, or to distinguish the authenticity of fertilizer, or to standardize the use of fertilizer, it is the key to high yield of crops.