خيارات البحث
النتائج 151 - 160 من 219
Ecological-genetic investigations in environmentally stressed mature sugar maple (Acer saccharum Marsh.) populations
1992
Geburek, T. (Lakehead Univ., Thunder Bay, Ont. (Canada). School of Forestry) | Knowles, P.
Interacting effects of nutrients, pH - Al and elevated CO2 on the growth of red spruce (Picea rubens Sarg.) seedlings
1992
Shipley, B. (McGill Univ., Montreal, Que. (Canada). Dept. of Biology) | Lechowicz, M. | Dumont, S. | Hendershot, W.H.
Phosphorus availability to corn from wood ash-amended soils
1992
Erich, M.S. (Maine Univ., Orono, ME (USA). Dept. of Plant, Soil and Environmental Sciences) | Ohno, T.
Forestry opportunities in the United States to mitigate the effects of global warming
1992
Sampson, R.N. (American Forestry Association, Washington, DC (USA))
Trace metal concentrations in the pink shrimp Penaeus notialis from the coast of Ghana
1992
Biney, C.A. (Institute of Aquatic Biology, Achimota (Ghana)) | Ameyibor, E.
Estimating the global potential of forest and agroforest management practices to sequester carbon
1992
Winjum, J.K. (National Council for Air and Stream Improvement, Corvallis, OR (USA). Environmental Research Lab.) | Dixon, R.K. | Schroeder, P.E.
Effects of forest management on soil carbon storage
1992
Johnson, D.W. (Desert Research Inst., Reno, NV (USA))
Inter-relationships between soil properties and the uptake of cadmium, copper, lead and zinc from contaminated soils by radish (Raphanus sativus L.)
1992
Davies, B.E. (Bradford Univ., Bradford, West Yorkshire (United Kingdom). Dept. of Environmental Science)
Changes since 1950 of mineral pools in the upper C-horizon of Swedish deciduous forest soils
1992
Falkengren-Grerup, U. (Lund Univ. (Sweden). Dept. of Plant Ecology) | Tyler, G.
Partitioning of lead in pristine and runoff-impacted waters from acidic wetlands in the New Jersey pinelands
1992
Vedagiri, U. (Rutgers Univ., New Brunswick, NJ (USA). Dept. of Environmental Science) | Ehrenfeld, J.
