Potential Leaching and Runoff of Nutrients from Golf Greens and Fairways
Shuman, Larry M.
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Research was conducted to determine the transport of N and P by runoff of surface water from golf fairways and by leaching through greens. Step-wise increases in runoff P concentrations were found for 5 and 11 kg P ha-1 fertilizer application rates for the first runoff event from bermudagrass plots with a 5 % slope. The total mass of P transported for four events was 10 .6 and 11.5 % of that added for the 5 and 11 kg ha-1 rates, respectively. Leaching of nitrate-N and P was monitored for two working putting greens at an Atlanta country club. Nitrate concentrations in the leachate did not exceed the 10 mg L-1 drinking water standard for the first three years of monitoring. Leachate P concentrations were highest the first year and decreased thereafter due to changes in amounts of applied P fertilizer.