%0 Journal Article %J Special Edition Responses of Plant Metabolism to Air Pollution and Global Change %D 2002 %T A comparison of impacts of N deposition applied as NH3 or as NH4Cl on ombrotrophic mire vegetation %A Leith, I. D. %A Pitcairn, C. E. R. %A Sheppard, L. J. %A Hill, P. W. %A Cape, J. N. %A Fowler, D. %A Tang, S. %A Smith, R. I. %A Parrington, J. A. %K ammonia %K ammonium %K atmospheric ammonia %K calluna-vulgaris %K dry n deposition %K foliar nutrition %K moorland vegetation %K nitrogen %K vulgaris l hull %K wet n deposition %K woodland %B Special Edition Responses of Plant Metabolism to Air Pollution and Global Change %V 42 %P 83-88 %G eng %N 3