White clover (Trifolium repens) var ‘Durana’ was oversown into established bermudagrass (Cynodon dactylon) in 2009. Soil analysis indicated potassium (K) was low and potash at 112 and 336 kg/ha was added as main plots. Nitrogen as ammonium nitrate or an ammonium sulfate/urea blend was added as 0, 34 and 67 kg N/ha in 2011 after each harvest (3x) and May and July in 2012 (2x). Clover stands were estimated by counting the presence or absence of clover within two 0.25 m² quadrats divided into 16 equally spaced squares. The contribution of white clover in the sward was determined by separating hand clipped samples into clover, bermuda and other species on a dry weight basis. Plots (2x5 m) were harvested with a rotary or flail mower and grab samples were air-dried at 55 ^oC for 3 days to determine dry matter. Samples were ground to pass a 1 mm sieve and analyzed for protein by NIRS. Yield in 2011 with white clover as the N source was 8373 kg ha^-1 compared with 9492 or 9908 kg ha^-1 for 34 and 67 kg N ha^-1, respectively or 88 to 85 % indicating that white clover can provide up to 100 kg N ha^-1. Yield response to potash was minimal, but statistically significant (P<0.05). Ammonium sulfate/urea was also slightly more effective than ammonium nitrate in 2011 (P<0.05), but not in 2012. White clover provides a viable source of nitrogen that can reduce production costs.