Response of Guineagrass to Aquaculture Effluent Irrigation During the Dry Season
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This paper will present the results of a nitrogen and sulfur fertilizer trial on bahiagrass (Paspalum notatum). Treatments consisted of two forms of nitrogen (ammonium nitrate and ammonium sulfate), three rates of nitrogen (0, 75, and 150 kg N/ha/yr) and three rates of sulfur (0, 86,174 kg S/ha/yr) applied to an established stand of bahiagrass grown on a Florida Alfisol soil. Bahiagrass yields, quality and digestibility increased with increasing rates of nitrogen and sulfur. Highest yields were obtained with ammonium sulfate as compared to ammonium nitrate. This study has demonstrated that addition of sulfur is advantages for bahiagrass grown on coarse textured soils deficient in sulfur and that ammonium sulfate may be a better source of nitrogen for bahiagrass.