NBPT Urease Inhibitor
NBPT, N-(N-butyl) thiophosphoric triamide, is a white crystal powder.
Crystal powder. It is a soil urease inhibitor and urea stabilizer, especially suitable for arid soils.
Directions for use
NBPT is appropriate for most field crops, especially for corn, wheat, fruit trees and some other long season crops. The product is usually mixed with one or more organic solvents, and prepared to a certain concentration with water. Then it is added to urea-based fertilizers at the rate of 1 ‰ - 3 ‰ . It is mainly used before sowing with the method of surface application on urea or other urea-containing fertilizer, and can also be used as topdressing, side dressing, spraying and other applications after sowing. Notes: Cannot be used before rain. The inhibitor effect will decrease greatly once the rainfall is over 20mm.