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V. D. Zheljazkov, Yankov, B., and Topalov, V., Comparison of Three Methods of Mint Propagation and Their Effect, 1994.
V. D. Zheljazkov and Astatkie, T., Effect of distillation waste water and plant hormones on spearmint growth and composition, Journal of the Science of Food and Agriculture, vol. 91, no. 6, pp. 1135 - 1141, 2011.
V. D. Zheljazkov, Zhalnov, I., and Nedkov, N. K., Herbicides for Weed Control in Blessed Thistle (Silybum Marianum), Weed Technology, vol. 31, no. 3, pp. 1030 - 1034, 2006.
V. D. Zheljazkov, Astatkie, T., Jeliazkova, E. A., and Schlegel, V., Distillation time alters essential oil yield, composition, and antioxidant activity of male Juniperus scopulorum trees, Journal of Oleo Science, vol. 61, no. 10, pp. 537 - 546, 2012.
V. D. Zheljazkov, Stratton, G. W., Pincock, J., Butler, S., Jeliazkova, E. A., Nedkov, N. K., and Gerard, P. D., Wool-waste as organic nutrient source for container-grown plants, Waste Management, vol. 29, no. 7, pp. 2160 - 2164, 2009.
V. D. Zheljazkov and Warman, P. R., Absorption and accumulation of Cd, Pb, Cu, Mn and Zn in Nepeta transcaucasicca Grosch. as a function of distance from a polluted zone, in 11th Annu. Int. Conf. Heavy Metals Environ, 2000.
V. D. Zheljazkov, Astatkie, T., and Jeliazkova, E. A., Year-round variations in essential oil content and composition of male and female juniper, HortScience, vol. 48, no. 7, 2013.
V. D. Zheljazkov, Cantrell, C. L., Evans, W., Ebelhar, W., and Coker, C., Productivity, essential oil content and composition of sweet and holy basil grown in Mississippi, HORTSCIENCE, vol. 43, no. 4, 2008.
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.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Jeliazkova, E. A., Fall Frost Effects on the Essential Oil of ‘Native’Spearmint (Mentha spicata L.) in Wyoming, HortScience, vol. 47, no. 11, 2012.
V. D. Zheljazkov and Astatkie, T., Effect of plant species and benomyl on lead concentration and removal from lead-enriched soil, HortScience, vol. 46, no. 12, 2011.
V. D. Zheljazkov, Craker, L. E., and Xing, B., Effects of Cd, Pb, and Cu on growth and essential oil contents in dill, peppermint, and basil, Environmental and Experimental Botany, vol. 58, no. 1-3, pp. 9 - 16, 2006.
V. D. Zheljazkov, Stoeva, T., and Margina, A., EFFECT OF GAMMA IRRADIATION ON SOME QUANTITATIVE AND QUALITATIVE CHARACTERISTICS IN MINT AND CORNMINT, Acta Horticulturae, no. 426, pp. 381 - 388, 1996.
V. D. Zheljazkov, Shiwakoti, S., Astatkie, T., Salamon, I., Grul'ová, D., Mudrencekova, S., and Schlegel, V., Yield, composition, and antioxidant capacity of ground cumin seed oil fractions obtained at different time points during the hydrodistillation, HortScience, vol. 50, no. 8, pp. 1213-1217, 2015.
V. D. Zheljazkov, Astatkie, T., Horgan, T., and S Rogers, M., Effect of plant hormones and distillation water on mints, HortScience, vol. 45, no. 9, 2010.
V. D. Zheljazkov and Warman, P. R., Application of High-Cu Compost to Dill and Peppermint, Journal of Agricultural and Food Chemistry, vol. 52, no. 9, pp. 2615 - 2622, 2004.
V. D. Zheljazkov, Astatkie, T., and Jeliazkova, E. A., Drying and Shade Effects on Spearmint Oil Yields and Composition, HortScience, vol. 49, no. 3, 2014.
V. D. Zheljazkov, Stratton, G. W., and Sturz, T., Uncomposted Wool and Hair-Wastes as Soil Amendments for High-Value Crops, Agronomy Journal, vol. 100, no. 6, p. 1605, 2008.
V. D. Zheljazkov, Terziisky, D., and Karageorgiev, S., Pollen Morphology of Bulgarian Ocimum basilicum L. Populations, Journal of Herbs, Spices & Medicinal Plants, vol. 4, no. 3, pp. 71 - 76, 1997.
V. D. Zheljazkov, Horgan, T., Astatkie, T., and Schlegel, V., Distillation Time Modifies Essential Oil Yield, Composition, and Antioxidant Capacity of Fennel (Foeniculum vulgare Mill), Journal of Oleo Science, vol. 62, no. 9, pp. 665 - 672, 2013.
V. D. Zheljazkov, Cantrell, C. L., Tekwani, B., and Khan, S. I., Content, Composition, and Bioactivity of the Essential Oils of Three Basil Genotypes as a Function of Harvesting, Journal of Agricultural and Food Chemistry, vol. 56, no. 2, pp. 380 - 385, 2008.
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, Astatkie, T., and Hristov, A. N., Lavender and hyssop productivity, oil content, and bioactivity as a function of harvest time and drying, Industrial Crops and Products, vol. 36, no. 1, pp. 222 - 228, 2012.
V. D. Zheljazkov, Evaluation of Some Fungicides Against Rust and Black Spot in Rosa damascena cv. trigintipetala, 1985.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Cannon, J. B., Lemongrass Productivity, Oil Content, and Composition as a Function of Nitrogen, Sulfur, and Harvest Time, Agronomy Journal, vol. 103, no. 3, p. 805, 2011.

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