%0 Generic %D 2003 %T Effects of enhanced nitrogen deposition and phosphorus limitation on nitrogen budgets of semi-natural grasslands %A Phoenix, G.K. %A Booth, R.E. %A Leake, J.R. %A Read, D.J. %A Grime, J.P. %A Lee, J.A. %B Global Change Biology %V 9 %P 1309-1321 %G eng %0 Generic %D 1999 %T The effect of increased deposition of atmospheric N on Cv in upland Britain. %A Carroll, J.A. %A Caporn, S.J.M %A Cawley, L. %A Read, D.J. %A Lee, J.A. %B New Phytol %V 141 %P 423-431 %0 Report %D 1997 %T Natural vegetation responses to atmospheric nitrogen deposition - critical levels and loads of nitrogen for vegetation growing on contrasting native soils %A Carroll, J.A. %A Caporn, S.J.M. %A Morecrof, M.D. %A Lee, J.A. %A Johnson, D. %A Taylor, A. %A Leake, J.R. %A Campbell, C.D. %A Cawley, L. %A Lei, Y. %A Read, D.J. %I University of Sheneld %C Sheneld %G eng %0 Generic %D 1995 %T The effect of repeated N fertlization on mye infection in heather (Calluna vulgaris (L) Hull) %A Caporn, S.J.M %A Song, W. %A Read, D.J. %A Lee, J.A. %B New Phytol %V 129 %P 605-609 %0 Book Section %D 1994 %T Acid Rain and its Impact: The Critical Loads Debate %A Caporn, S.J.M %A Carroll, J. %A Lei, Y. %A Song, W. %A Read, D.J. %A Lee, J.A. %A Battarbee, R.W. (Eds) %I Environmental Change Research Centre/ENSIS %C London %P 146-150 %& Critical loads of nitrogen for upland heather (Calluna vulgaris).