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Urea is a kind of high concentration nitrogen fertilizer, a neutral fast 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. Animal husbandry can be used as feed for ruminants. However, too high temperature in granulation will produce a small amount of biuret, also known as biuret, which has an inhibitory effect on crops. China stipulates that the content of urea biuret for fertilizer should be less than 0.5%. When the biuret content exceeds 1%, seed fertilizer, seedling fertilizer and leaf fertilizer cannot be made, and the urea content in other application periods should not be too much or too concentrated.
Urea is an organic nitrogen fertilizer, which is hydrolyzed into ammonium carbonate or ammonium bicarbonate by the action of urease in the soil before it can be absorbed and utilized by crops. Therefore, urea should be applied 4 to 8 days before the crop needs fertilizer.
Hebei Yaheng Import and Export Co.,Ltd. is an innovative company engaged in import and export trade. Its main business includes construction raw materials,cosmetic raw materials,water treatment raw materials,chemical fertilizers,etc. Hebei Yaheng Import and Export Co.,Ltd. aims to "integrate trade services and global procurement,and strive to become China's first-class foreign trade international company",with "internationalized structure,efficient management,refined costs,and team members to achieve stable development,customer relationship to achieve long-term win-win" as the business management philosophy,in accordance with the principle of equality and mutual benefit,we continue to expand various trade businesses,and serve friends from all parties with high-quality products,reasonable prices,and high efficiency. We have a professional foreign trade team that puts customers first,is team-based,and takes responsibility first to help you solve all export problems and provide you with a comfortable service environment.
