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