Sulfur as the main wrapping material, wrapped urea, to achieve slow release of nitrogen fertilizer, also known as sulfur-coated urea. The wrapping material has sulfur or microcrystalline wax, according to the different coating materials, it can be divided into sulfur-coated controlled release fertilizer and resin-coated controlled release fertilizer and other fertilizers.
Sulfur-coated urea has a unique color, belongs to the inorganic coating type of slow-release fertilizer, urea or compound fertilizer surface has a layer of film, the unique sulfur composition, can control the rate of nutrient release, nutrient release continuous and stable, suitable for a variety of soils and crops, to meet the nutritional needs of the crops due to the seasons, to improve the quality and increase yields. Urea or compound fertilizer has a film on the surface, unique sulfur composition, can control the rate of nutrient release.
Sulfur Coated Urea Specifications
Packaging & Shipping
How does Risso ensure the quality of urea fertilizers?
1. Before production: Risso will set up a strict production plan, determine the quality of urea and process requirements, provide the necessary resources for the process and determine the key production processes (production equipment, key process points, key quality requirements of the process products) to establish self-inspection and mutual inspection between teams.
2. During the production process: we keep in communication with customers at any time, we can provide customers with videos or photos of the urea production process, to ensure that customers have no worries.
3 . Before delivery: Before shipment, we will ask the third party organization to issue the test report of urea fertilizer according to the requirements specified by customers.





