and urea Learn more about and urea
-
What is the natural synergist of urea?
What is the natural synergist of urea? Please give introduction to China's agricultural consumption of urea nitrogen fertilizer close to 20 million tons per year (pure nitrogen), urea nitrogen fertilizer lost through gaseous volatilization, leaching and runoff reached 10 million tons, equivalent to more than 21 million tons of urea, a direct economic loss of 45 billion yuan, not only resulting in energy.
2018-07-14 -
What should be paid attention to when applying urea?
What should be paid attention to when applying urea? There are no netizens who know to help introduce that urea is an indispensable fertilizer in agricultural production, but improper operation of urea in the application process will cause the opposite effect, so the farming net has sorted out the unsuitable application method of urea. The following is listed in detail for netizens' reference. ...
2018-07-11 -
Experience of feeding cattle with Urea in Winter and Spring
In winter and spring, there is a lack of green feed. In order to improve the feeding effect, some breeders add urea to cattle feed, which is OK. In order to make everyone grasp the mechanism and specific feeding methods of urea feeding cattle, and give better play to urea in cattle production.
2020-11-08 Winter and spring season utilization urea feed cattle experience winter and spring -
What is the difference between ammonium urea and urea?
What is the difference between ammonium urea and urea? Is the effect of ammonium urea better than urea? Also ask experienced netizens to help introduce. Nitrogen-containing fertilizers such as urea, urea, ammonium sulfate, ammonium hydrogen carbonate, ammonium chloride, ammonium nitrate and so on are all nitrogen fertilizers, but the utilization rate of nitrogen fertilizer is very different, so the effect is different after use. 1...
2018-07-11 -
What is urea? What is good to use urea?
What is urea? What is good to use urea? Please introduce that urea belongs to amide nitrogen fertilizer, accounting for 35% of China's nitrogen fertilizer output, accounting for 40%, second only to carbamines. 1. The molecular formula of urea is CO (NH2) 2, which contains 46% nitrogen (N) and shows white or yellowish crystals. It is soluble in water, and the aqueous solution is neutral.
2018-07-14 -
What is SODm urea?
What is SODm urea? What is the effect of SODm urea? Please introduce that SODM urea is in the urea production process, adding 0.2% SODM additive with high purity amino acid as raw material, using biochemical action to increase fertilizer efficiency, has the effect of anti-crop senescence, and has higher fertilizer efficiency than ordinary urea, low dosage and can be reduced.
2018-07-18 -
How to use urea topdressing to get the highest utilization rate?
Urea is a kind of neutral fertilizer, which is used in all kinds of soil and crops. it is easy to preserve, easy to use and has little damage to the soil. Urea is a kind of fertilizer which is rich in nitrogen at present, but there are still a lot of points to pay attention to when using it. that
2020-11-09 How to use urea topdressing utilization the highest is -
Does it work to sprinkle urea on sunny days after rain?
It helps to sprinkle urea on sunny days after rain. However, it is recommended to wait three or four days before sprinkling, because urea is a kind of fertilizer with strong water solubility. it can absorb water and dissolve even in the air, and it is not easy to be absorbed by the soil. if it is scattered after rain, it will make the fertilizer follow the flow of water.
2020-11-09 Rain after rain sunny day sprinkle urea work Mo rain -
How to use urea reasonably? Why is it good to use urea as extra-root topdressing?
Urea contains 46% nitrogen, which is the highest in solid nitrogen fertilizer. It is also a physical neutral fertilizer, which is the most commonly used high-quality nitrogen fertilizer in production at present. So how to use urea rationally? Why is it good to use urea as extra-root topdressing? Nitrogen form in urea
2020-11-09 How reasonable use urea why make root outside topdressing -
How to use urea has a good effect?
How to use urea has a good effect? What should be paid attention to in the application of urea? Also ask the netizens who know to help introduce that urea is a kind of high concentration nitrogen fertilizer, which is a neutral quick-acting fertilizer, and can also be used to produce a variety of compound fertilizers. Urea does not leave any harmful substances in the soil, and there is no adverse effect of long-term application. Use urine correctly.
2018-07-11 -
Why does China become the highland of urea price?
In recent years, the price of urea in China is basically the lowest in the world, especially last year. In general, the FOB ton price of urea in China is US $20,30 lower than the international price, and sometimes even US $50 lower. And many people have become accustomed to the low price of urea in China.
2016-03-20 China why become urea price highland in recent years -
How to fertilize vegetables with urea
Urea, also known as carbamide, is an organic compound composed of carbon, nitrogen, oxygen and hydrogen. It is a kind of white crystal. So how does urea fertilize the vegetables? First, how to fertilize vegetables with urea can be used as base fertilizer, topdressing and extra-root topdressing. Urea is used as base fertilizer
2020-11-08 Urea how give vegetable fertilizer urea also known as carbon amide -
When is the wheat topdressing urea?
Urea can be applied to wheat in spring, and the period of wheat returning to green is about 30 days. Wheat topdressing urea method: urea can be sprayed outside the wheat root, the concentration is 2%, usually 2 jin of urea to 100 jin of water, can be sprayed 1 mu of wheat field, every interval
2020-11-08 Wheat what time topdressing urea abstract wheat but -
Is the price of urea up or down? Give me a reason not to fall first!
Is the price of urea up or down? Give me a reason not to fall first!
2019-02-18 -
What is the effect of long-acting urea? How do I use it?
What is the effect of long-acting urea? How do I use it? Please introduce the long-acting urea, which is made by adding a certain amount of urease inhibitor (hydroquinone) to the ordinary urea during the process. The average yield of long-acting urea in one deep application is 14.6% higher than that of ordinary urea (seed fertilizer + topdressing), and the increase rate is 8.6% Mel 25.
2018-07-14 -
Urea price is low to maintain stability and the market is still waiting for favorable policies to be issued.
Urea prices low to maintain stability since November, the urea market has continued its downward trend. Up to now, the price of urea in Shandong and other places has fallen to more than 1500 yuan / ton, the actual transaction price in some areas is only 1450 yuan / ton, and the price in Shanxi has dropped to 1400 yuan / ton.
2016-03-20 Urea price low maintain stability market static etc. positive policy -
How about big granule urea?
How about big granule urea? What are the characteristics? Hope that friends who know well can help introduce the differences between large granular urea and small granular urea in the agricultural material market. The particle size of small granular urea is about 1.5 mm, and the large granular urea is generally 2.00 to 4.75 mm.
2018-07-11 -
Is it really good to water flowers with urea? If you don't pay attention to these 9 points, it is likely to hurt the flowers.
People who grow flowers usually pay special attention to fertilizing or replenishing the flowers and want to try everything. It's right to replenish plants with nutrients, but don't add them blindly, otherwise it's easy to make plants lose their lives. This is...
2018-08-24 -
Prevention and treatment of urea poisoning in deer
Urea is a widely used chemical fertilizer in agriculture, and it is a kind of non-protein nitrogen. The use of urea or ammonium salt in diets instead of protein to feed deer has been widely used. However, excessive preparation of urea in the diet or uneven mixing, or grazing in the areas where urea fertilizer is applied, can cause poisoning. [etiology]: urea and many non-protein nitrogen compounds are good protein substitutes and are often used as feed additives, such as urea, biuret and bisammonium phosphate. However, excessive feeding or improper feeding can produce a large amount of ammonia, which is one of the most important factors in the body.
2019-01-16 -
How is the effect of topdressing with urea?
How is the effect of topdressing with urea? Please introduce in detail that urea is a variety with high nitrogen content (N46%) and soluble in water. 108kg urea can be dissolved in 100kg water at 20 ℃. In chemical composition, urea is a kind of small molecular organic nitrogen fertilizer. After being applied to soil, molecular urea is soluble in soil solution.
2018-07-14