عن المنظمة الأخبار الوسائط الإعلامية المتعددة الموضوعات الرئيسية الإحصائيات الأعضاء المطبوعات

أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
بحث متقدّم
تاريخ الإصدار
1992

خيارات البحث

النتائج 141 - 150 من 219

Effects of genotype on the response of Populus tremuloides Michx. to ozone and nitrogen deposition

1992

Karnosky, D.F. (Michigan Technological Univ., Houghton, MI (USA). School of Forestry) | Gagnon, Z.E. | Reed, D.D. | Witter, J.A.

croissance ozono michigan ozone air pollution crecimiento nitrogen/ genotypes pollution atmospherique nitrogeno/ genotipos azote/ genotype polucion del aire ...
Wageningen University & Research - Netherlands
Response of Picea abies (L.) Karst. provenances to sulphur dioxide and aluminium: a pilot study

1992

Geburek, T. (Lakehead Univ., Thunder Bay, Ont. (Canada). School of Forestry) | Scholz, F.

air pollution discoloration factores ambientales crecimiento environmental factors growth pollution atmospherique aluminio/ plantulas polucion del aire aluminium/ seedlings dioxido de azufre aluminium/ plantule ...
Wageningen University & Research - Netherlands
Hydrochemical budgets of a small forested granitic catchment exposed to acid deposition: the strengbach catchment case study (Vosges Massif, France)

1992

Probst, A. (Centre de Geochimie de la Surface, Strasbourg (France)) | Viville, D. | Fritz, B. | Ambroise, B. | Dambrine, E.

air pollution aluminium granite soils francia suelo de granito silicate pollution atmospherique silica/ acid rain capacite d'echange ionique patologia forestal polucion del aire capacidad de cambio ionico ...
Wageningen University & Research - Netherlands
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.

heterocigotos enzymes acer saccharum factores ambientales heterozygotes environmental factors genotype parametre genetique/ pollution atmospherique variacion genetica parametros geneticos/ polucion del aire variation genetique genetic parameters/ air pollution ...
Wageningen University & Research - Netherlands
SO2 and NH3 deposition as possible causes for the extinction of Arnica montana L.

1992

Fennema, F. (Rijksinstituut voor Natuurbeheer, Arnhem (Netherlands))

acidification calcio ph ammonia potassium magnesio lixiviacion sodio/ polucion del suelo paises bajos amoniaco dioxido de azufre pays bas ...
Wageningen University & Research - Netherlands
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.

forests aluminium manganeso bosques forest soils cations hierro/ acidificacion suede iron/ acidification caract morfologicas del suelo foret fer/ acidification ...
Wageningen University & Research - Netherlands
A simple passive sampler for measuring ammonia emission in the field

1992

Schjoerring, J.K. (Royal Veterinary and Agricultural Univ., Frederiksberg (Denmark). Section of Soil, Water and Plant Nutrition) | Sommer, S.G. | Ferm, M.

ammoniac nitrogen fertilizers abonos nitrogenados ammonia farmyard manure/ methods engrais azote fumier/ methode amoniaco estiercol/ metodos
Wageningen University & Research - Netherlands
Acid deposition in the German Solling area: effects on soil solution chemistry and Al mobilization

1992

Matzner, E. (Goettingen Univ. (Germany). Forest Ecosystem Research Center) | Prenzel, J.

acid rain soil chemistry racine roots forest soils suelo forestal quimica del suelo aluminium/ phytotoxicite aluminio/ fitotoxicidad lluvia acida aluminium/ phytotoxicity raices ...
Wageningen University & Research - Netherlands
Influence of acid deposition on element cycling in mature sugar maple forest, Algoma, Canada

1992

Morrison, I.K. (Forestry Canada Ontario Region, Sault Ste. Marie, Ont. (Canada)) | Foster, N.W. | Nicolson, J.A.

ontario elements precipitation ph elementos quimicos acer saccharum/ polucion del aire element chimique acer saccharum/ pollution atmospherique acer saccharum/ air pollution precipitacion atmosferica
Wageningen University & Research - Netherlands
Determining baselines and variability of elements in plants and soils near the Kenai National Wildlife Refuge, Alaska

1992

Crock, J.G. (U.S. Geological Survey, Denver, CO (USA)) | Severson, R.C. | Gough, L.P.

alaska nature reserves reservas naturales contaminantes industriales/ metales pesados reserve naturelle industrial pollutants/ heavy metals polluant industriel/ metal lourd
Wageningen University & Research - Netherlands