Model No.: UERA 46% granule
thus urea fertilizers are very rapidly transformed to the ammonium form in soils.
Among soil bacteria known to carry urease, some ammonia-oxidizing bacteria (AOB), such as species of Nitrosomonas are also able to assimilate the carbon dioxide released by the reaction to make biomass via the Calvin Cycle , and harvest energy by oxidizing ammonia (the other product of urease) to nitrite, a process termed nitrification . Nitrite-oxidizing bacteria, especially, Nitrobacter , oxidize nitrite to nitrate, which is extremely mobile in soils and is a major cause of water pollution from agriculture. Ammonia and nitrate are readily absorbed by plants, and are the dominant sources of nitrogen for plant growth. Urea is also used in many multi-component solid fertilizer formulations.
The most common impurity of synthetic urea is biuret , which impairs plant growth.