No. I (2010): Journal Of Agricultural Sciences - Supplement
Articles

Evaluation of water balance in apple and pear trees

Published October 5, 2010
János Tamás
University of Debrecen Centre of Agricultural and Applied Economic Sciences Faculty of Agricultural and Food Sciences and Environmental Management, Department of Water- and Environmental Management, 4032 Debrecen, Böszörményi út 138. Hungary
József Zsembeli
Karcag Research Institute of the Centre for Agricultural and Applied Economic Sciences, 5300 Karcag, Kisújszállási út 166. Hungary
Péter Riczu
University of Debrecen Centre of Agricultural and Applied Economic Sciences Faculty of Agricultural and Food Sciences and Environmental Management, Department of Water- and Environmental Management, 4032 Debrecen, Böszörményi út 138. Hungary
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APA

Tamás, J., Zsembeli, J., & Riczu, P. (2010). Evaluation of water balance in apple and pear trees. Acta Agraria Debreceniensis, (I), 193-198. https://doi.org/10.34101/ACTAAGRAR/I/8421

A significant proportion of the aboveground green and dry weight of the plant constitutes the foliage. The canopy is an important factor
of plant growth. On one hand the canopy absorbs the solar energy, which is necessary for the photosynthesis, on the other hand accumulates
the absorbed nutrients by the roots, and the most of the water-loss happens through the foliages. The determination of the full canopy is not
an easy target. In our research we developed a measurement method to determine the leaf area. With the parameters of the examined tree
(leaf length and maximum width) and the data of ADC AM 100 leaf area scanner we determined the k-value, with which we can easily and
fast evaluate the leaf surface. Furthermore we defined from the water balance of compensation lysimeters the cumulative transpiration of
fruit trees and the efficiency of water use of trees.

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