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Fig. 1. Effect of P source on total dissolved phosphorus (TDP) and total phosphorus (TP) concentrations in runoff of (a) Rainfall Event 1 and (b) Rainfall Event 2. LP, Largo pellets; LC, Largo cake; DM, dairy manure; PB, Patapsco Baltimore pellets; BC, Bellefonte cake; DMA, aluminum-treated dairy manure; DMF, iron-treated dairy manure; BR, Back River Baltimore pellets; DC, Danville cake; DL, Danville limed cake; PC, Philadelphia cake; UC, University cake; C, control; SN, Syracuse N-Viro cake.