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1992

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Resultados 141-150 de 219

Nitrogen cycling in two Norway spruce (Picea abies) ecosystems and effects of a (NH4)2SO4 addition

1992

Feger, K.H. (Albert-Ludwig-University, Freiburg (Germany). Inst. of Soil Science and Forest Nutrition)

immobilization azote forest management ammonium sulphate soil suelo amenagement forestier lixiviacion inmovilizacion ordenacion forestal alemania/ metabolismo del nitrogeno nitrogeno ...
Wageningen University & Research - Netherlands
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.

populus tremuloides ozone ozono air pollution growth croissance nitrogeno/ genotipos nitrogen/ genotypes polucion del aire azote/ genotype pollution atmospherique ...
Wageningen University & Research - Netherlands
In vitro aluminum effects on ectomycorrhizal fungi

1992

Zel, J. (Ljubljana Univ. (Yugoslavia). Inst. of Biology) | Blatnik, A. | Gogala, N.

mycorrhizae aluminium/ experimentation in vitro aluminio/ experimentacion in vitro mycorhize aluminium/ in vitro experimentation
Wageningen University & Research - Netherlands
Effects of air pollutants on mineral nutrition of Norway spruce and revitalization of declining stands in Austria

1992

Katzensteiner, K. (Universitaet fuer Bodenkultur, Vienna (Austria). Inst. of Forest Ecology) | Glatzel, G. | Kazda, M. | Sterba, H.

autriche austria site factors historia chemicophysical properties hojas utilizacion de la tierra propriete physicochimique azote/ pollution atmospherique caracteristicas del sitio propiedades fisico-quimicas nitrogen/ air pollution ...
Wageningen University & Research - Netherlands
Timing, magnitude and impact of acidic deposition on sensitive forest sites

1992

Shortle, W.C. (Northeastern Forest Experiment Station USDA-Forest Service, Durham, NH (USA)) | Bondietti, E.A.

humus ion exchange capacity calcio calcium cation forests capacite d'echange ionique magnesium/ pluie acide capacidad de cambio ionico magnesium/ acid rain foret danos ...
Wageningen University & Research - Netherlands
Geographic origin of Pinus sylvestris populations influences the effects of air pollution on flowering and growth

1992

Oleksyn, J. (Polish Academy of Sciences, Kornik (Poland). Inst. of Dendrology) | Chalupka, W. | Tjoelker, M.G. | Reich, P.B.

fluoruros phosphate pinus sylvestris polonia growth sulphur dioxide organe reproducteur vegetal dioxido de azufre fertilizer industry/ air pollution floracion organe vegetatif des plantes organos reproductores vegetales ...
Wageningen University & Research - Netherlands
Genetic implications in the decline of red spruce

1992

DeHayes, D.H. (Vermont Univ., Burlington, VT (USA). School of Natural Resources) | Hawley, G.J.

picea rubens locus climatic factors facteur climatique north america loci variacion genetica/ polucion del aire america del norte factores climaticos variation genetique/ pollution atmospherique amerique du nord genetic variation/ air pollution
Wageningen University & Research - Netherlands
Bacterial leaching of heavy metals from sewage sludge for agricultural application

1992

Couillard, D. (Quebec Univ., Sainte-Foy, Quebec (Canada). Inst. National de la Recherche Scientifique) | Zhu, S.

sewage sludge lodos residuales metales pesados heavy metals bacteria/ lixiviacion boue residuaire metal lourd bacteria/ leaching bacteria/ lessivage du sol
Wageningen University & Research - Netherlands
The effects of wet deposition chemistry on reproductive processes in two pine species: apparent pollination effectiveness in relation to species pollen sensitivity

1992

Cox, R.M. (Forestry Canada Maritimes Region, Fredericton, N.B. (Canada). H.J.F. Forestry Centre)

fertilite chimie pinus strobus lead meteorologie acidity cobre/ precipitacion atmosferica organe reproducteur vegetal reproduccion polinizacion copper/ precipitation organos reproductores vegetales ...
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.

decoloration growth sulphur dioxide dioxyde de soufre air pollution environmental factors dioxido de azufre polucion del aire aluminium/ plantule aluminio/ plantulas decoloracion aluminium/ seedlings ...
Wageningen University & Research - Netherlands