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AGRIS - Sistema Internacional para la Ciencia y Tecnología Agrícola

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Department for Environment, Food and Rural Affairs (2)

Reino Unido (2)

arbre forestier (2)

enemigos naturales (2)

ennemi naturel (2)

Resultados 1-2 de 2

The effects of simulated acid rain on growth and susceptibility to predation of Phratora polaris (Col., Chrysomelidae)

1995

Palokangas, P. | Neuvonen, S. | Haapala, S. (Kevo Subarctic Research Institute, University of Turku, A777 Kevo, FIN-99800 Ivalo (Finland))

pests of plants betula pubescens forests insecta pollution growth polucion thomisidae betula pubescens subsp. tortuosa arboles forestales phratora polaris foret ...

Department for Environment, Food and Rural Affairs - United Kingdom

Conifer aphids in an air-polluted environment. I. Aphid density, growth and accumulation of sulphur and nitrogen by Scots pine and Norway spruce seedlings

1993

Holopainen, J.K. | Mustaniemi, A. | Kainulainen, P. | Satka, H. | Oksanen, J. (Department of Environmental Sciences, University of Kuopio, PO Box 1627, SF-70211 Kuopio (Finland))

hemiptera sulphur dioxide forests contaminantes pinopsida arbre forestier dioxido de azufre ravageur des plantes/ pollution atmospherique coniferale schizolachnus pineti pests of plants/ air pollution arboles forestales ...

Department for Environment, Food and Rural Affairs - United Kingdom

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