North Carolina State University, Dr. Charles Peacock
Nature Safe organic fertilizers provided turf quality equivalent to the other selected fertilizers at both N rates for the duration of the 10 week study. Nature Safe applied at heavier rates can last longer without the fear of initial burn. This can be an excellent management tool for today’s turf manager. The increased length of turf quality can offset higher initial cost of the organic fertilizer.
Open the “R-19: Nitrogen Source Comparison” PDF to read the full test.