College of Agricultural Sciences

V. D. Zheljazkov and Nielsen, N. E., “Studies on the Effect of Heavy Metals (Cd, Pb, Cu, Mn, Zn and Fe) upon the Growth, Productivity and Quality of Lavender (Lavandula angustifolia Mill.) Production”, Journal of Essential Oil Research, vol. 8, no. 3, pp. 259 - 274, 1996.

V. D. Zheljazkov and Nielsen, N. E., “Studies on the effect of heavy metals (Cd, Pb, Cu, Mn, Zn, and Fe) upon the growth, productivity and quality of lavender (Lavandula angustifolia Mill.) production”, J. Essent. Oil Res., vol. 8, pp. 259-274, 1996.

V. D. Zheljazkov and Nielsen, N. E., “Studies on the effect of heavy metals (Cd, Pb, Cu, Mn, Zn and Fe) upon the growth, productivity and quality of lavander (Lavandula vera DC) Production. ”, in 24th international symposium on essential oils, 1993.