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Quantifying Turfgrass-Available N From Returned Clippings Using Anion-Exchange Membranes, Kelly L. K.Opp, Karl Guillard
Quantifying Turfgrass-Available N From Returned Clippings Using Anion-Exchange Membranes, Kelly L. K.Opp, Karl Guillard
Plant Science Articles
Returning clippings can provide N to turf, but the amount of plant-available N derived from clippings is not easy to quantify. An accurate estimate of N released by clippings would be useful in guiding turf N fertilizer recommendations. The objective of this study was to determine if anion-exchange membranes (AEMs) could be used to quantify plant-available soil N when clippings are returned. A greenhouse and two field experiments were set out in randomized block designs using a factorial arrangement of 2 clipping practices [removed (CRM) and returned (CRT)] and 4 rates of N fertilization (0 to 392 kg N ha-1 …