College of Agricultural Sciences

S. Stanev, Zheljazkov, V. D., and Janculoff, Y., “Variation of chemical compounds in the essential oil from some native forms of chamomile (Chamomilla recutita L.)”, Beitr Zuchtungsforschung, 1996.

V. D. Zheljazkov and Zhalnov, I., “Effect of Herbicides On Yield and Quality of Coriandrum sativum L.”, Journal of Essential Oil Research, vol. 7, no. 6, pp. 633 - 639, 1995.

V. D. Zheljazkov and Zhalnov, I., “Effect of Herbicides On Yield and Quality of Coriandrum sativum L.”, Journal of Essential Oil Research, vol. 7, no. 6, pp. 633 - 639, 1995.

A. Margina and Zheljazkov, V. D., “Evaluation of Some Fungicides Against Rust and Black Spot in Rosa damascena cv. trigintipetala”, Journal of Essential Oil Research, vol. 7, no. 5, pp. 515 - 525, 1995.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Comparison of Three Methods of Mint Propagation and Their Effect”, 1994.

A. Margina and Zheljazkov, V. D., “Control of Mint Rust (Puccinia menthae Pers.) on Mint with Fungicides and Their Effect on Essential Oil Content”, Journal of Essential Oil Research, vol. 6, no. 6, pp. 607 - 615, 1994.

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.

V. Topalov and Zheljazkov, V. D., “Effect of mechanical and chemical weed control on growth, development and productivity of mentha for planting material”, in Zeszyty Naukowe Wyzszej Szkoly Rolniczo-Pedagogicznej w Siedlcach. Seria-Rolnictwo (Poland), 1992.

V. Topalov and Zheljazkov, V. D., “Effect of harvesting stages on the yield of fresh material, essential oil, and planting material from Mentha piperita Huds. and Mentha arvensis L”, Herba Hungarica, 1991.

V. D. Zheljazkov, “Evaluation of Some Fungicides Against Rust and Black Spot in Rosa damascena cv. trigintipetala”, 1985.