Research Article
The Effects of Age on the Yield and Composition of the Essential Oils of Calendula officinalis
Faculty of Science and Agriculture, University of Fort Hare, Alice 5700, South Africa
A.A. Sadimenko
Faculty of Science and Agriculture, University of Fort Hare, Alice 5700, South Africa
A.J. Afolayan
Faculty of Science and Agriculture, University of Fort Hare, Alice 5700, South Africa