Forms of nitrogen | Source |
Organic nitrogen | Animal manure, compost and plant residues |
Urea | Commercial fertilizer and fresh manure |
Ammonium (NH4+) | Chemical fertilizers such as ammonium nitrate and ammonium sulfate, fresh manure and breakdown of organic matter into the soil |
Nitrate (NO3-) | Chemical fertilizers such as ammonium nitrate and potassium nitrate |
Nitrogen gas (N2) | About 80% of air within soil spaces |
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Compared to the granular and urea fertilizers, we must say that the N content of both is in the same range. Prill fertilizer is usually softer than granola. Usually, the size of a pearl is between 1 to 2/4 mm but Granule is between 2 to 4 mm.
Urea is a nitrogen fertilizer with an NPK (nitrogen-phosphorus-potassium) ratio of 46-0-0. The chemical formula of the urea is close in composition to the organic formulation of the urea, which also provides several advantages in the mass use for feeding crops. Although urea is naturally produced in humans and animals, synthetic urea is manufactured with anhydrous ammonia.
Nitrogen (Nitrogen) is one of the most important nutrient requirements for plants and common types of chemical fertilizers. Farmers use N fertilizers to accelerate the growth and increase the yield of their agricultural products. The main common types of nitrogen fertilizers are urea fertilizer, ammonium nitrate, and ammonium sulfate. Buy-urea-46%-online