Agricultural Grade Slow-release Urea

Slow-release urea refers to the urea that has a long fertilizing effect due to chemical composition change or surface coating of semi-permeable or impermeable substances, which makes the effective nutrients released slowly. The most important characteristic of slow-release urea is that it can control its release rate and gradually decompose after being applied to the soil, so that the nutrients in the fertilizer can meet the different needs of the crops at various growth stages throughout the growth period, and the fertilizer effect can be maintained for several months to more than a year after one application.

1. The nitrogen content of coated urea is 44-45.5%, and the contents of coated compound fertilizer, coated potassium nitrate and coated potassium sulfate are reduced by 1.5-3% according to the days.

2. The coating rate of 60 days polyurethane coated controlled release was 2.3%: The initial nutrient release rate was lower than 1% (temperature 25 C 24 ours), higher than the national standard.

3. The controlled release period of the coating is 60 days, 90 days, 120 days and 150days, which can be customized according to the requirements of customers and crop demand.

4. Color: green, yellow, blue, purple, red, white and other 8 colors

5. Chelating protease and various trace elements in the coating material can promote rooting and strengthen the stem, and the release curve is "s" shape, which is consistent with the nutrient absorption curve of crops.

6. Using vegetable oil coating, the film material can be degraded and will not cause secondary pollution to the soil.

7. The insect repellent polyurethane coated controlled-release products have the functions of rapidly expelling underground pests, root cultivation, root protection and protection.

Packing Details: 50KG/500KG/1000KG PP bag, according to customer demand

Port: Any port in China

Lead time: Generally within 10 days from order placement to dispatch