عن المنظمة الأخبار الوسائط الإعلامية المتعددة الموضوعات الرئيسية الإحصائيات الأعضاء المطبوعات

أجريس - النظام الدولي للعلوم الزراعية والتكنولوجيا

[ نُشرت في: Pollution ]
بحث متقدّم
تاريخ الإصدار
1990

خيارات البحث

النتائج 221 - 230 من 325

Mineral supply of healthy and declining trees of a young spruce stand

1990

Goaster, S. Le (Station de Recherches sur le Sol la Microbiologie et la Nutrition des Arbres Forestiers INRA, Seichamps (France)) | Dambrine, E. | Ranger, J.

picea forest pathology pathologie forestiere absorcion de substancias nutritivas/ fertilidad del suelo nutrient uptake/ soil fertility patologia forestal absorption de substances nutritives/ fertilite du sol
Wageningen University & Research - Netherlands
Nutritional stress in Picea sitchensis plantations in coastal British Columbia: the effects of Gaultheria shallon and declining site fertility

1990

Messier, C. (British Columbia Univ., Vancouver, B.C. (Canada). Dept. of Forest Sciences) | Kimmins, J.P.

picea sitchensis disponibilidad de nutrientes nutrient availability forest land site factors tierras forestales pathologie forestiere patologia forestal element nutritif disponible colombie britannique/ arbuste british columbia/ shrubs caracteristicas del sitio ...
Wageningen University & Research - Netherlands
Element composition of leaves and wood of beech (Fagus sylvatica L.) on SO(2)-polluted sites of the NE-Bavarian Mountain

1990

Zech, W. (Bayreuth Univ. (Germany, F.R.). Inst. of Soil Science and Soil Geography) | Schneider, B.U. | Roehle, H.

leaves hojas feuille wood fagus sylvatica bavaria dioxyde de soufre/ composition chimique dioxido de azufre/ composicion quimica baviere sulphur dioxide/ chemical composition ...
Wageningen University & Research - Netherlands
An intensive 1-month investigation of trace metal deposition and throughfall at a mountain spruce forest

1990

Petty, W.H. (Environmental Sciences Div., Oak Ridge, TN (USA). Oak Ridge National Lab.) | Lindberg, S.E.

picea metales pesados usa heavy metals etats unis estados unidos de america polucion del aire/ precipitacion atmosferica metal lourd pollution atmospherique/ precipitation air pollution/ precipitation
Wageningen University & Research - Netherlands
Element contents of spruce needles (P. abies (L.) Karst.) along an altitudinal gradient in the Bavarian Alps

1990

Moesznang, M. (Ludwig-Maximilians-University, Muenich (Germany, F.R.). Dept. of Forest Tree Breeding and Immissions Research)

chemical composition composition chimique picea abies air pollution bavaria forest pathology pathologie forestiere sulphur dioxide/ leaves dioxido de azufre/ hojas baviere polucion del aire pollution atmospherique ...
Wageningen University & Research - Netherlands
Effect of the chemical composition of industrial dusts on forest floor organic matter accumulation

1990

Grodzinski, W. (Jagiellonian Univ., Krakow (Poland). Inst. of Environmental Biology, Dept. of Ecosystem Studies) | Greszta, J. | Laskowski, R. | Maryanski, M. | Rozen, A.

desechos industriales industrial wastes pollution du sol soil pollution suelo forestal forest soils pologne/ metal lourd sol de foret poland/ heavy metals polonia/ metales pesados dechet industriel polucion del suelo ...
Wageningen University & Research - Netherlands
Foliar potassium status explains Douglas fir response to nitrogen fertilization in the Inland Northwest, USA

1990

Mika, P.G. (Idaho Univ., Moscow, ID (USA). Dept. of Forest Resources) | Moore, J.A.

chemical composition pseudotsuga menziesii composition chimique nitrogen fertilizers potassium abonos nitrogenados engrais azote etats du centre nord (eu)/ feuille composicion quimica estados del centro norte (eua)/ hojas north central states (usa)/ leaves ...
Wageningen University & Research - Netherlands
Dynamics of "acute yellowing" in spruce connected with Mg deficiency

1990

Kandler, O. (Munich Univ. (Germany, F.R.). Botanical Inst.) | Miller, W.

picea magnesio/ enfermedades carenciales magnesium/ deficiency diseases magnesium/ maladie de carence
Wageningen University & Research - Netherlands
Volatile hydrocarbons in and around Vienna, Austria

1990

Lanzerstorfer, C. (Technical Univ., Vienna (Austria). Inst. for Analytical Chemistry) | Puxbaum, H.

volatility rural areas zonas rurales urban areas hydrocarbure hidrocarburos compose aromatique aromatic hydrocarbons/ winter hydrocarbure aromatique/ hiver volatilite compuestos aromaticos zone periurbaine ...
Wageningen University & Research - Netherlands
Effects of fertilization with MgSO(4) and (NH(4))(2)SO(4) on soil solution chemistry, mycorrhiza and nutrient content of fine roots in a Norway spruce stand

1990

Haug, I. (Eberhard-Karl-University, Tuebingen (Germany, F.R.). Inst. of Biology I) | Feger, K.H.

mycorrhizae picea abies substance nutritive magnesium fertilizers roots racine mycorhize ammonium sulphate/ soil solution engrais magnesien abonos magnesicos sulfato de amonio/ soluciones del suelo sulfate d'ammonium/ solution du sol ...
Wageningen University & Research - Netherlands