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Effects of forest fertilization on the radial growth and resin exudation of insect-defoliated Scots pines.

Published online: 28 Jan 2000

Authors: Kytö, M. & Niemelä, P. & Annila, E. & Varama, M.

Content type: Journal article

Journal title: Journal of Applied Ecology

In studies in a 60- to 90-year-old stand on dry sandy soil in western Finland, Scots pine (Pinus sylvestris) trees that had been defoliated by the pin...

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Distribution of freshwater snails in irrigation schemes in the Sudan.

Published online: 02 Jun 1990

Authors: Madsen, H. & Daffalla, A. A. & Karoum, K. O. & Frandsen, F.

Content type: Journal article

Journal title: Journal of Applied Ecology

The distribution of aquatic macrophytes and of molluscan intermediate hosts of schistosomes in the following irrigation systems in the Sudan: the Gezi...

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