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V. D. Zheljazkov, Cantrell, C. L., Ebelhar, W., Coker, C., and Evans, W., Quality assessment and yield of Baikal skullcap (Scutellaria baicalensis) grown at multiple locations, HortScience, vol. 42, no. 5, 2007.
V. D. Zheljazkov, Astatkie, T., and Jeliazkova, E. A., Effect of foliar application of methyl jasmonate and extracts of juniper and sagebrush on essential oil yield and composition of ‘Native’ spearmint, HortScience, vol. 48, no. 4, 2013.
V. D. Zheljazkov, Margina, A., and Stoeva, T., Effect of gamma irradiation on some quantitative and qualitative characters of mint and cornmint, Acta Hort. , vol. 426, pp. 381-388, 1996.
V. D. Zheljazkov and Warman, P. R., Bioavailability of Cu in compost amended soils, in Proceedings of the International Composting Symposium, 1999.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and Hristov, A., Yield, Content, and Composition of Peppermint and Spearmints as a Function of Harvesting Time and Drying, Journal of Agricultural and Food Chemistry, vol. 58, no. 21, pp. 11400 - 11407, 2010.
V. D. Zheljazkov and Zhalnov, I., Study on the impact of different means for weed control in Mentha piperita Huds. and Mentha arvensis L., Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 51-57, 1991.
V. D. Zheljazkov, Astatkie, T., and Jeliazkova, E. A., Effect of foliar application of methyl jasmonate and extracts of juniper and sagebrush on essential oil yield and composition of Native spearmint, HortScience, vol. 48, pp. 462-465, 2013.
V. D. Zheljazkov, Stratton, G. W., and Sturz, T., Uncomposted wool and hair-wastes as soil amendments for high-value crops, Agron J., vol. 100, pp. 1605-1614, 2008.
V. D. Zheljazkov, Evaluation of Some Fungicides Against Rust and Black Spot in Rosa damascena cv. trigintipetala, 1985.
V. D. Zheljazkov, Astatkie, T., Caldwell, C. D., MacLeod, J., and Grimmett, M., Compost, Manure, and Gypsum Application to Timothy/Red Clover Forage, Journal of Environment Quality, vol. 35, no. 6, p. 2410, 2006.
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 Topalov, V., Effect of Planting Time and Density on Yields from Rooted Mint Cuttings, Journal of Herbs, Spices & Medicinal Plants, vol. 4, no. 3, pp. 15 - 24, 1997.
V. D. Zheljazkov and Zhalnov, I., The effect of the method of propagation and the planting density of Mentha upon the removal of nitrogen, phosphorus, and potassium with the planting material, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 33-41, 1991.
V. D. Zheljazkov and McNeil, P., Comparison of Five Digestion Procedures for Recovery of Nutrients and Trace Elements in Plant Tissue, Journal of Plant Nutrition, vol. 31, no. 11, pp. 1937 - 1946, 2008.
V. D. Zheljazkov, Vick, B. A., M. Ebelhar, W., Buehring, N., Baldwin, B. S., Astatkie, T., and Miller, J. F., Yield, oil content, and composition of sunflower (Helianthus annuus L.) grown at multiple locations in Mississippi, Agron J., vol. 100, pp. 635-642, 2008.
V. D. Zheljazkov, Semerdjieva, I. B., Dincheva, I., Kacaniova, M., Astatkie, T., Radoukova, T., and Schlegel, V., Antimicrobial and antioxidant activity of Juniper galbuli essential oil constituents eluted at different times, Industrial Crops and Products, vol. 109, pp. 529-537, 2017.
V. D. Zheljazkov, Vick, B. A., Baldwin, B. S., Buehring, N., Astatkie, T., and Johnson, B., EFFECT OF PLANTING DATE, NITROGEN RATE, AND HYBRID ON SUNFLOWER, Journal of Plant Nutrition, vol. 35, no. 14, pp. 2198 - 2210, 2012.
V. D. Zheljazkov, Cantrell, C. L., and Astatkie, T., Yield and composition of Japanese cornmint fresh and dry material harvested successively , Agron J, vol. 102, pp. 1652-1656, 2010.
V. D. Zheljazkov, Astatkie, T., and Schlegel, V., Hydrodistillation Extraction Time Effect on Essential Oil Yield, Composition, and Bioactivity of Coriander Oil, Journal of Oleo Science, vol. 60, pp. 335-342, 2014.
V. D. Zheljazkov, Astatkie, T., Horgan, T., Schlegel, V., and Simonnet, X., Distillation time effect on essential oil yield, composition, and antioxidant capacity of sweet sagewort (Artemisia annua L.) Oil, HortScience, vol. 48, no. 10, 2013.
V. D. Zheljazkov and Jekov, D., Heavy metal content in some essential oils and plant extracts., Acta Hort. , vol. 426, pp. 427-433, 1996.
V. D. Zheljazkov, Vick, B. A., Baldwin, B. S., Buehring, N., Coker, C., Astatkie, T., and Johnson, B., Oil Productivity and Composition of Sunflower as a function of Hybrid and Planting Date, Industrial Crops and Products, vol. 33, pp. 537-543, 2011.
V. D. Zheljazkov, Zhalnov, I., and Nedkov, N. K., Herbicides for weed control in blessed thistle (Silybum marianum), Weed Technology, vol. 20, pp. 1030-1034, 2006.
V. D. Zheljazkov and WARMAN, P., Application of high Cu compost to Swiss chard and basil, The Science of The Total Environment, vol. 302, no. 1-3, pp. 13 - 26, 2003.
V. D. Zheljazkov and Astatkie, T., Distillation waste water can modify peppermint (Mentha x piperita L.) oil composition, Industrial Crops and Products, vol. 36, pp. 420-426, 2012.