PRODUCT DESCRIPTION

Urea, also known as urea or carbonamide, has a chemical formula of CH4N2O or CO(NH2)2. It is a white crystal, tasteless and odorless, easily soluble in water, ethanol and benzene, and slightly soluble in ether and chloroform. Urea is one of the simplest organic compounds and the main nitrogen-containing end product of protein metabolism and decomposition in mammals and some fish. It can be used as fertilizer, animal feed, explosives, glue stabilizer and chemical raw materials. Because this substance is contained in human urine, it is named urea. As a neutral fertilizer, urea is suitable for all kinds of soils and plants. It is easy to store, easy to use, and has little destructive effect on the soil. It is a chemical nitrogen fertilizer with a large usage. Urea contains 46% nitrogen (N), which is the highest nitrogen content among solid nitrogen fertilizers. Urea is synthesized industrially with ammonia and carbon dioxide under certain conditions.

PRODUCT USE

Urea is a high-concentration nitrogen fertilizer, a neutral quick-acting fertilizer, and can also be used to produce a variety of compound fertilizers. No harmful substances remain in the soil, and long-term application has no adverse effects. Urea is suitable for use as basal fertilizer and topdressing, and is sometimes also used as seed fertilizer. Urea is in molecular form before conversion and cannot be adsorbed by the soil. It should be prevented from being lost with water. After urea is applied to the soil, a small portion of urea is dissolved in the soil solution in molecular form and is adsorbed by the soil through hydrogen bonding. Most of the rest is hydrolyzed into ammonium carbonate under the action of urease, and then generates carbonic acid and ammonium hydroxide. Then the ammonium ions can be absorbed by plants and adsorbed by soil colloids, and the bicarbonate ions can also be absorbed by plants. Therefore, no harmful components remain after urea is applied to the soil. In addition, the biuret contained in urea can also be decomposed into ammonia and carbonic acid under the action of urease. The conversion of urea in the soil is affected by the soil pH value, temperature and moisture. When the moisture is appropriate, the higher the soil temperature, the faster the conversion.