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Environmental policy for the control of nitrate pollution at farm level in the European Union
1997
Hellegers, P.J.G.J.
The need for the human factor in integrated water management.
1997
Leentvaar, J.
Whole-catchment liming at Tjoennstrond, Norway: an 11-year record
1997
Traaen, T.S. (Norwegian Inst. for Water Research, Oslo (Norway).) | Frogner, T. | Hindar, A. | Kleiven, E. | Lande, A. | Wright, R.F.
Effects of metals on the microbial mineralization of organic acids
1997
Brynhildsen, L. (Linkoeping Univ. (Sweden). Dept. of Water and Environmental Studies) | Rosswall, T.
Heavy metals in allotment gardens close to an oil refinery in Plock
1997
Mikula, W. (Warsaw Agricultural Univ., Warszawa (Poland). Faculty of Horticulture, Dept. of Environmental Protection) | Indeka, L.
Relationship between sugar maple decline and corresponding chemical changes in the stem tissue
1997
Mohamed, H.K. (Toronto Univ., Toronto, Ont. (Canada). Faculty of Forestry) | Pathak, S. | Roy, D.N. | Hutchinson, T.C. | McLaughlin, D.L. | Kinch, J.C.
Influence of a mycorrhizal fungus and/or rhizobium on growth and biomass partitioning of subterranean clover exposed to ozone
1997
Miller, J.E. (North Carolina State Univ., Raleigh, NC (USA). Dept. of Forestry) | Shafer, S.R. | Schoeneberger, M.M. | Pursley, W.A. | Horton, S.J. | Davey, C.B.
Tree bark as a bioindicator of air pollution in Navarra, Spain
1997
Santamaria, J.M. (Navarra Univ., Pamplona (Spain). Dept. of Chemistry and Soil Science) | Martin, A.
Possibilities for increased carbon sequestration through the implementation of rational forest management in Russia
1997
Shvidenko, A. (International Inst. for Applied Systems Analysis, Laxenburg (Austria).) | Nilsson, S. | Roshkov, V.
Metal extractability and availability in a soil after heavy application of either nickel or lead in different forms
1997
Nogales, R. (Estacion Experimental del Zaidin CSIC, Granada (Spain).) | Gallardo-Lara, F. | Benitez, E. | Soto, J. | Hervas, D. | Polo, A.
