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What is urea
2014-10-31 10:58:41
Chemical name of the urea calls two amine of carbon acyl. Molecular formula: CO (NH2 ) 2, the molecular weight is 60.06, nitrogen content is 46.65%, it is the highest solid nitrogen of nitrogen content. It is usually white and granular; It is difficult to lump, mobility is good, easy to use.
Urea can be applied by itself or easily mixed with phosphate and/or potash fertilizers, often as part of a total N-P-K plant food mix.Urea is used for kinds of soil and for all types of agricultural crops as the main fertilizer and for top dressing. It is used for rice cultivation, foliar dressing of vegetable and fruit crops, and for late corn dressing in order to increase content of protein substance in grain.
Urea is mostly used as nitrogen fertilizer in agriculture, also used as raw material in production of plastics, resins, coating, and medicine.It is used as a surface fertilizer, alone or mixed with other fertilizers;it is very effective for crops with long growing seasons;determination on the field is based on the culture and climatic conditions and soil .Urea may be used on all soils;it is applied both early spring and during the vegetation.Apply in subsoil and cover when for calcareous and alkaline soils.Better to apply together with P K or organic fertilizers.