1).it is used as a surface fertilizer, alone or mixed with other fertilizers;2). it is very effective for crops .
- 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.