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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, Vick, B. A., Buehring, N., and Astatkie, T., Oil Content and Saturated Fatty Acids in Sunflower (Helianthus annus L.) as a Function of Planting Date, N Rate and Hybrid, Agron J, vol. 101, pp. 1003-1011, 2009.
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 and Nikolov, S., Accumulation of Cd, Pb, Cu, Mn, and Zn by Sylibum marianum L. grown on polluted soils, Acta Hort. , vol. 426, pp. 297-308, 1996.
V. D. Zheljazkov and Cantrell, C. L., Productivity, content, and composition of the essential oil of three basil genotypes as a function of harvesting, HORTSCIENCE, vol. 42, no. 4, 2007.
V. D. Zheljazkov, Astatkie, T., Jeliazkova, E. A., Tatman, A. O., and Schlegel, V., Distillation time alters essential oil yield, composition and antioxidant activity of female Juniperus scopulorum trees, Journal of Essential Oil Research, vol. 25, no. 1, pp. 62 - 69, 2013.
V. D. Zheljazkov, Astatkie, T., Shiwakoti, S., Poudyal, S., Horgan, T., Kovatcheva, N., and Dobreva, A., Essential Oil Yield and Composition of Garden Sage as a Function of Different Steam Distillation Times, HortScience, vol. 49, pp. 785-790, 2014.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Jeliazkova, E. A., Fall frosts effects on the essential oil of "Native" spearmint in Wyoming, HortScience, vol. 11, pp. 1603-1606, 2012.
V. D. Zheljazkov, Astatkie, T., Jeliazkova, E. A., Heidel, B., and Ciampa, L., Essential oil content, composition and bio activity of juniper species in Wyoming, United States, Natural Product Communications, vol. 12, pp. 201-204, 2017.
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, Vick, B., M. Ebelhar, W., Buehring, N., and Astatkie, T., Nitrogen applications modify seed and oil yields and fatty acid composition of winter mustard, Industrial Crops and Products, vol. 36, pp. 28-32, 2012.
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, pp. 665-672, 2013.
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, Silva, J. L., Patel, M., Stojanovic, J., Lu, Y., T, K., and Horgan, T., Human Hair as Nutrient Source for Horticultural Crops, HortTechnology, vol. 18, pp. 592-596, 2008.
V. D. Zheljazkov, Kovatcheva, N., Stanev, S., and Zheljazkova, E., Effect of heavy metal polluted soils on some qualitative and quantitative characters of mint and cornmint, Essential Oils: Basic and Applied Research, 1997.
V. D. Zheljazkov, Cerven, V., Cantrell, C. L., Ebelhar, W., and Horgan, T., Effect of nitrogen, location, and harvesting stage on peppermint productivity, oil content, and oil composition, HortScience, vol. 44, no. 5, 2009.
V. D. Zheljazkov and Astatkie, T., Effect of Distillation Waste Water and Plant Hormones on Spearmint Growth and Composition, J. Sci. Food Agric., vol. 91, pp. 1135-1141, 2011.
V. D. Zheljazkov, Astatkie, T., Zhalnov, I., and Georgieva, T. D., Method for attaining rosemary essential oil with differential composition from dried or fresh material, Journal of Oleo Science, vol. 64, no. 5, pp. 485 - 496, 2015.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and M. Ebelhar, W., Productivity, Oil Content and Composition of Two Spearmint Species in Mississippi, Agron J, vol. 102, pp. 129-133, 2010.
V. D. Zheljazkov, Assessment of Wool Waste and Hair Waste as Soil Amendment and Nutrient Source, Journal of Environment Quality, vol. 34, no. 6, p. 2310, 2005.
V. D. Zheljazkov, Astatkie, T., and Schlegel, V., Postharvest Biology and Technology-Distillation Time Changes Oregano Essential Oil Yields and Composition but Not the Antioxidant or Antimicrobial Activities, Hortscience, vol. 47, no. 6, 2012.
V. D. Zheljazkov, Jeliazkova, E. A., Craker, L. E., Kovathceva, N., Stanev, S., and Margina, A., Heavy metal uptake by mint, Acta Hort. , vol. 500, pp. 111-117, 1999.
V. D. Zheljazkov, Callahan, A., and Cantrell, C. L., Yield and oil composition of thirty-eight basil (Ocimum basilicum L.) accessions grown in Mississippi, J. Agric. Food Chem. , vol. 56, pp. 241-245, 2008.
V. D. Zheljazkov, Silva, J. L., Patel, M., Stojanovic, J., Lu, Y., Kim, T., and Horgan, T., Human hair as a nutrient source for horticultural crops, HortTechnology, vol. 18, no. 4, 2008.