Contents of bioelements and energy equivalent in assimilatory organs of European chestnut (Castanea sativa Mill.)
2006
Konôpková, J., Arborétum Mlyňany SAV (Slovak Republic)
The work evaluates the content of selected bioelements (Ca, Mg, K, P, Na, Fe, Mn, Zn, Cu) and energy amount in the assimilatory organs of various stand types of European chestnut (Castanea sativa Mill.). In assimilatory organs of the European chestnut were determined optimum contents of Ca, Mg, P and Zn. The content of Na, Fe and Cu was found slightly increased and Mn was high. Content of K was lower. Analysis of variance identified statistically very significant differences among all the analysed bioelements across several years and in various stand types. Energy values in leaves of European chestnut varied from 18.193 to 19.837 kJ per g. There were found high significant differences in energy contents among the stand types.
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