%0 Journal Article %J Biogeochemistry %D 2013 %T PK additions modify the effects of N dose and form on species composition, species litter chemistry and peat chemistry in a Scottish peatland %A Sheppard, L.J. %A Leith, I.D. %A Leeson, S. %A Mizunuma, T. %A de Bakker, R. %A Elustondo, D. %A Garcia-Gomez, H. %K Whim %B Biogeochemistry %V 116 %P 39-53 %G eng %N 1-3