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Variazioni stagionali di nutrienti minerali ed elementi in traccia nelle foglie di Fagus sylvatica L. a Vallombrosa (FI)
Authors:Marco Ferretti  Emilia Barbolani  Filippo Bussotti  Romano Gellini
Affiliation:1. Dipartimento Biologia Vegetale , Università di Firenze;2. Dipartimento di Scienza del Suolo e Nutrizione della Pianta , Università di Firenze
Abstract:Abstract

Seasonal variations of mineral nutrients and trace elements in Fagus sylvatica L. leaves at Vallombrosa (FI). - During the vegetative periodo 1987 monthly samples of beech leaves were collected in Vallombrosa forest area to determine the nutritive situation of beech trees by leaves analysis. Among nutrients, potassium appears the worst supplied one. Even copper is present in very low values, under the critical level. Heavy metals as manganese, aluminium, lead, cadmium and also iron show a clear increase during the vegetative season.
Keywords:Fagus sylvatica  foliar diagnosis  forest decline
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