أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

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الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)

النتائج 1 - 10 من 13


Direct damage to vegetation caused by acid rain and polluted cloud: definition of critical levels for forest trees

1993

Cape, J.N. (Institute of Terrestrial Ecology, Bush Estate, Penicuik, Midlothian, EH26 0QB (United Kingdom))

Department for Environment, Food and Rural Affairs - United Kingdom

Trends in needle and soil chemistry of Norway spruce and Scots pine stands in South Sweden 1985-1994

1998

Thelin, G. | Rosengren-Brinck, U. | Nihlgard, B. | Barkman, A. (Forest Ecology, Department of Plant Ecology, Ecology Building, Lund University, S-223 62 Lund (Sweden))

Department for Environment, Food and Rural Affairs - United Kingdom

Red spruce and loblolly pine nutritional responses to acidic precipitation and ozone

1995

Edwards, G.S. | Sherman, R.E. | Kelly, J.M. (Tennessee Valley Authority, Forestry Bldg, Norris, Tennessee 37828 (USA))

Department for Environment, Food and Rural Affairs - United Kingdom


Nutrient leaching from conifer needles in relation to foliar apoplast cation exchange capacity

1992

Turner, D.P. | Broekhuizen, H.J. van (Mantech Environmental Technology, Inc., US EPA Environmental Research Laboratory, 200 S.W. 35th, Corvallis, Oregon 97333 (USA))

Department for Environment, Food and Rural Affairs - United Kingdom

Nitrate leaching in forest ecosystems is related to forest floor C/N ratios

1998

Gundersen, P. | Callesen, I. | Vries, W. de (Danish Forest and Landscape Research Institute, Hoersholm Kongevej 11, DK-2970 Hoersholm (Denmark))

Department for Environment, Food and Rural Affairs - United Kingdom



Direct Effects of Air Pollution on Physiology of Forest Trees in the Western United States

1993

Bytnerowicz, A. (USDA Forest Service, Riverside, CA (USA). Pacific Southwest Research Station)

International Union of Forestry Research Organizations - Austria