Articles
SEASONAL PATTERN AND INTERPRETATION OF MINERAL NUTRIENT CONCENTRATIONS IN APPLE LEAVES
Article number
594_47
Pages
377 – 382
Language
English
Abstract
In the period 1995 – 1999 sampling of apple leaves was performed in order to identify reference curves for a number of plant nutrients for the whole vegetative period, from bloom until after harvest.
Approximately 2500 samples of apple leaves were analysed for N, P, K, Ca, Mg, B, Mn, Cu and Zn.
The reference curves were derived for each element by adjusting the obtained curves to known reference values for the period of July and August.
This system of leaf analysis has been found useful by growers in South Tyrol.
Approximately 2500 samples of apple leaves were analysed for N, P, K, Ca, Mg, B, Mn, Cu and Zn.
The reference curves were derived for each element by adjusting the obtained curves to known reference values for the period of July and August.
This system of leaf analysis has been found useful by growers in South Tyrol.
Authors
M. Aichner, E. Stimpfl
Keywords
leaf analysis, reference curves, mineral nutrition, apple trees
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