خيارات البحث
النتائج 81 - 90 من 333
The monitoring of nitrogen surpluses from agriculture
1998
Eerdt, M.M. van | Fong, P.K.N. (Statistics Netherlands, Environmental Statistics, P.O. Box 4000, 2270 JM Voorburg (Netherlands))
Relating ambient ozone concentrations to adverse biomass responses of white clover: a case study
1998
Chevone, B. | Manning, W. | Varbanov, A. | Krupa, S. (Department of Plant Pathology, Physiology and Weed Science, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061-0331 (USA))
Further studies of the air-pasture transfer of polychlorinated biphenyls
1998
Thomas, G.O. | Smith, K.E.C. | Sweetman, A.J. | Jones, K.C. (Environmental Science Department, Institute of Environmental and Natural Sciences, Lancaster University, Lancaster LA1 4YQ (United Kingdom))
The dynamics of dissolved nitrogen in a blanket peat dominated catchment
1998
Adamson, J.K. | Scott, W.A. | Rowland, A.P. (Environmental Change Network, Institute of Terrestrial Ecology, Merlewood Research Station, Grange-over-Sands, Cumbria, LA11 6JU (United Kingdom))
Plant uptake of radionuclides in lysimeter experiments
1998
Gerzabek, M.H. | Strebl, F. | Temmel, B. (Austrian Research Centre Seibersdorf, Division of Life Sciences, A-2444 Seibersdorf (Austria))
Germination and seedling development of switchgrass and smooth bromegrass exposed to 2,4,6-trinitrotoluene
1998
Peterson, M.M. | Horst, G.L. | Shea, P.J. | Comfort, S.D. (Horticulture Department, University of Nebraska-Lincoln, Lincoln, NE 68583-0724 (USA))
Effects of dietary and gaseous fluoride on the aphid Aphis fabae
1998
Davies, M.T. | Port, G.R. | Davison, A.W. (Department of Agricultural and Environmental Science, The University, Newcastle upon Tyne, NE1 7RU (United Kingdom))
Response of a grassland ecosystem to air pollutants. VI. The chemical climate: concentrations and potential flux densities of relevant criteria pollutants
1998
Grunhage, L. | Dammgen, U. | Haenel, H.D. | Jager, H.J. (Institute for Plant Ecology, University of Giessen, Heinrich-Buff-Ring 38, D-35392 Giessen, Germany)
Influence of form and quantity of selenium on the development and survival of an insect herbivore
1998
Trumble, J.T. | Kund, G.S. | White, K.K. (Department of Entomology, University of California, Riverside, CA 92521 (USA))
Composting of spent pig litter in turned and forced-aerated piles
1998
Tiquia, S.M. | Tam, N.F.Y. (Department of Biology and Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong (China))
