Global climate change and agriculture in the North : proceedings of an international symposium held in Helsinki, Finland, 16-17 November 1995

adaptation agricultura agriculture agroclimatic zones asia asie canada changement climatique climatic change climatic factors cold zones crops cultivos efecto invernadero effet de serre enfermedades fungosas facteur climatique finland finlande finlandia fungal diseases greenhouse effect maladie fongique modele modelos models pests of plants plagas de plantas plant production plante de culture production costs ravageur des plantes zona fria zone agroclimatique zone froide