College of Agricultural Sciences

E. A. Jeliazkova, Zheljazkov, V. D., Craker, L. E., Yankov, B., and Georgieva, T. D., “NPK fertilizer and yields of peppermint (Mentha X piperita L.)”, Acta Hort. , vol. 502, pp. 231-236, 1999.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Effect of Mechanical and Chemical Weed Control on the Growth, Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”, Journal of Essential Oil Research, vol. 8, no. 2, pp. 171 - 176, 1996.

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material”, J. Essent. Oil. Res, 1996.

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

V. D. Zheljazkov, Yankov, B., and Topalov, V., “Comparison of Three Methods of Mint Propagation and Their Effect on the Yield of Fresh Material and Essential Oil”, Journal of Essential Oil Research, vol. 8, no. 1, pp. 35 - 45, 1996.