Black™ coated fertilisers have enabled farmers to reduce the application rates of nitrogen and phosphorus by 15-35% and achieve the same, or economically superior, results. A study conducted in northern Zimbabwe by ART Research and local fertiliser distributors, set to determine the most effective nitrogen rate applied as Black Urea, and too compare the effects of Black DAP versus non-coated DAP under different nitrogen conditions.
Commercial Field Demonstrations:
- Crop: Maize
- Location: Zimbabwe
- Time: SUMMER 2009
- Researcher: Agriculture Research Trust, Harare
- Nutrichem (Zimbabwe), Profert Plus (South Africa)