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Resultados 1-10 de 250

A chamberless field exposure system for determining the effects of gaseous air pollutants on crop growth and yield.

1990

Runeckles V.C. | Wright E.F. | White D.

pruebas essai equipo pisum sativum ozono air pollution materiel pollution atmospherique polucion del aire ...
Wolters Kluwer - United States of America
Effects of SO(2), NO(2), and O(3) on population development and morphological and physiological parameters of native herb layer species in a beech forest.

1989

Steubing L. | Fangmeier A. | Both R. | Frankenfeld M.

fagus sylvatica nitrogen oxides forest ecology dioxyde de soufre air pollution sulphur dioxide dioxido de azufre pollution atmospherique ecologia forestal ecologie forestiere oxyde d' azote physiologie vegetale ...
Wolters Kluwer - United States of America
Utilisation d' un bio-indicateur vegetal pour la mesure de l' ozone en montagne.

1988

Garrec J.P. | Rose C.

methode ozono plante indicatrice methods nicotiana tabacum forests region d' altitude blights highland tizon foret deperissement ...
Wolters Kluwer - United States of America
Ambient ozone (O3) in three class I wilderness areas in the northeastern USA: measurements with Ogawa passive samplers.

1996

Manning W.J. | Krupa S.V. | Bergweiler C.J. | Nelson K.I.

new hampshire usa measurement sampling muestreo espace de nature sauvage pollution atmospherique metodos foret vegetacion etats unis echantillonnage ...
Wolters Kluwer - United States of America
Changes in pigment concentration and composition in Norway spruce induced by long-term exposure to low levels of ozone.

1995

Mikkelsen T.N. | Dodell B. | Lutz C.

azote age picea abies carotenoides chimie clorofilas lumiere pollution atmospherique quimica arboles forestales nitrogeno arboles ...
Wolters Kluwer - United States of America
The effects of removing cloudwater and lowering ambient O3 on red spruce grown at high elevations in the southern Appalachians.

1993

Thornton F.C. | McDuffie C. Jr. | Pier P.A. | Wilkinson R.C.

chemical composition clouds air pollution feuille nuage arbre forestier composicion quimica pollution atmospherique arboles forestales polucion del aire ...
Wolters Kluwer - United States of America
Effects of air filtration on spring wheat grown in open-top field chambers at a rural site. I. Effect on growth, yield and dry matter partitioning.

1992

Temmerman L. de | Vandermeiren K. | Guns M.

croissance roots crecimiento dioxyde de soufre ozono air pollution dioxido de nitrogeno raices dioxido de azufre pollution atmospherique dioxyde d' azote polucion del aire ...
Wolters Kluwer - United States of America
Les modifications chimiques de l' atmosphere et leurs effets sur l' environnement.

1988

Megie G.

impacto ambiental ecosystems ozono pollutants contaminantes air pollution impact sur l' environnement ecosysteme pollution atmospherique contaminacion del aire ...
Wolters Kluwer - United States of America
Phytol as a possible indicator of ozone stress by Picea abies.

1995

Ekeberg D. | Jablonska A.M. | Ogner G.

picea abies norway chimie air pollution feuille arbre forestier pollution atmospherique quimica polucion del aire arboles forestales norvege ...
Wolters Kluwer - United States of America
Ozone alters carbon allocation in loblolly pine: assessment with carbon-11 labeling.

1990

Spence R.D. | Rykiel E.J. Jr. | Sharpe P.J.H.

photosynthese pinus taeda ozono carbono air pollution carbon nutricion de las plantas fotosintesis pollution atmospherique polucion del aire ...
Wolters Kluwer - United States of America