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The effects of excess nitrogen deposition on young Norway spruce trees. Part I. The soil
1994
Wilson, E.J. | Skeffington, R.A. (National Power Research and Engineering, Windmill Hill Business Park, Swindon, SN5 6PB (United Kingdom))
The effects of SO2 fumigation on the nitrogen metabolism of aseptically grown spruce seedlings
1994
Peuke, A.D. | Tischner, R. (Institut fur Pflanzenphysiologie und botanischer Garten, University of Gottingen, Untere Karspule 2, D-37073 Gottingen (Germany))
Chronic toxicity of ammonia to the amphipod Hyalella azteca; importance of ammonium ion and water hardness
1994
Borgmann, U. (Department of Fisheries and Oceans, Great Lakes Laboratory for Fisheries and Aquatic Sciences, Burlington, Ontario, L7R 4A6 (Canada))
Nitrogen saturation induced during winter by experimental NH4NO3 addition to a forested catchment
1994
Hultberg, H. | Dise, N.B. | Wright, R.F. | Andersson, I. | Nystrom, U. (Swedish Environmental Research Institute (IVL), Department of Ecology and Environmental Research, Box 47086, 40258 Gothenberg (Sweden))
Does (K+Mg+Ca+P) fertilization lead to recovery of tree health in a nitrogen stressed Quercus rubra L. stand?
1994
Boxman, A.W. | Cobben, P.L.W. | Roelofs, J.G.M. (Department of Ecology, Section of Environmental Ecology, University of Nijmegen, PO Box 9010, NL-6500 GL Nijmegen (Netherlands))
The effects of excess nitrogen deposition on young Norway spruce trees. Part II. The vegetation
1994
Wilson, E.J. | Skeffington, R.A. (National Power Research and Engineering, Windmill Hill Business Park, Whitehill Way, Swindon, Wiltshire (United Kingdom))
Responses of greening bean seedling leaves to nitrogen dioxide and nutrient nitrate supply
1994
Srivastava, H.S. | Ormrod, D.P. | Hale, B.A. (Department of Plant Science, Rohilkhand University, Bareilly 243005 (India))
Policies to reduce nitrogen surplus in German agriculture
1994
Isermeyer, F. | Schleef, K.H. (Institute of Farm Economics, Federal Agricultural Centre, Bundesallee 50, D-38116 Braunschweig-Volkenrode (Germany))
The role of nitrogen in crop production and losses of nitrate by leaching from agricultural soil
1994
Johnston, A.E. (IACR, Rothamsted, Harpenden (AL5 2JQ,UK))
Policies to reduce nitrogen loss to water from agriculture in the United Kingdom
1994
Archer, J. (ADAS, Nobel House, London SW1P 3JR (United Kingdom))