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V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and M. Ebelhar, W., Productivity, Oil Content, and Composition of Two Spearmint Species in Mississippi, Agronomy Journal, vol. 102, no. 1, p. 129, 2010.
I. Dimitrov, Zheljazkov, V. D., and Zhalnov, I., Productivity of soybean cultivars and their effect on soil fertility, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 91-94, 1995.
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 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, Productivity and quality of coriander in heavy metal polluted areas, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 363-373, 1995.
A. K. Obour, Sintim, H. Y., Obeng, E., and Zheljazkov, V. D., Production systems, prospects and challenges in the USA Great Plains, Adv. Plants Agric. Res, vol. 2, 2015.
V. D. Zheljazkov, Patterson, K., Parsons, K. J., and Sampson, G., Preemergence weed control in ornamental perennials., CANADIAN JOURNAL OF PLANT SCIENCE, vol. 86, no. 5, 2006.
V. D. Zheljazkov, Bowes, K. M., Patterson, K., and Sampson, G., Preemergence and postemergence herbicides for use in dill, fennel, coriander and basil., CANADIAN JOURNAL OF PLANT SCIENCE, vol. 86, no. 5, 2006.
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.
Y. Yankuloff, Stoeva, T., and Zheljazkov, V. D., On the Possibilities of Accelerated Propagation of New Mentha spicata (L.) Huds Cultivars., Acta Hort. , vol. 426, pp. 519-524, 1996.
K. Y. Yankuloff, Zheljazkov, V. D., and Stoeva, T. D., ON THE POSSIBILITIES OF ACCELERATED PROPAGATION OF NEW MENTHA SPICATA (L.) HUDSON CULTIVARS, Acta Horticulturae, no. 426, pp. 519 - 524, 1996.
V. D. Zheljazkov, Terziisky, D., and Karageorgiev, S., Pollen morphology of Bulgarian Ocimum basilicum L. populations, J. Herbs Spices & Medicinal Plants, vol. 4, pp. 71-76, 1996.
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, Cantrell, C. L., Donega, M. Augusto, Astatkie, T., and Heidel, B., Podophyllotoxin Concentration in Junipers in the Big Horn Mountains in Wyoming, HortScience, vol. 47, pp. 1696-1697, 2012.
V. D. Zheljazkov, Cantrell, C. L., Donega, M. Augusto, Astatkie, T., and Heidel, B., Podophyllotoxin Concentration in Junipers in the Big Horn Mountains in Wyoming, HortScience, vol. 47, no. 12, 2012.
C. L. Cantrell, Zheljazkov, V. D., Osbrink, W. L. A., Castro, A., Maddox, V., Craker, L. E., and Astatkie, T., Podophyllotoxin and essential oil profile of Juniperus and related species, Industrial Crops and Products, vol. 43, pp. 668-676, 2013.
C. L. Cantrell, Zheljazkov, V. D., Osbrink, W. L. A., Castro, A., Maddox, V., Craker, L. E., and Astatkie, T., Podophyllotoxin and essential oil profile of Juniperus and related species, Industrial Crops and Products, vol. 43, pp. 668 - 676, 2013.
V. D. Zheljazkov and Warman, P. R., Phytoavailability and Fractionation of Cu, Mn, and Zn in soil following application of two composts to four crops, Environ. Pollut., vol. 13, pp. 187-195, 2004.
V. D. Zheljazkov and Warman, P. R., Phytoavailability and fractionation of copper, manganese, and zinc in soil following application of two composts to four crops, Environmental Pollution, vol. 131, no. 2, pp. 187 - 195, 2004.
I. Dimitrov, Zheljazkov, V. D., Janchev, I., and Terziev, Z., Photosynthetic productivity in a ribbon sowing of maize and soybean, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 73-79, 1991.
J. D. Wilson, Zheljazkov, V. D., Rathgeber, B., Burton, D. L., and Caldwell, C., Phosphorus reduction in poultry and dairy manures using mineral amendments., Canadian Journal of Plant Science, 2006.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and M. Ebelhar, W., Peppermint Productivity and Oil Composition as a Function of Nitrogen, Growth Stage, and Harvest Time, Agron J, vol. 102, pp. 124-128, 2010.
V. D. Zheljazkov, Cantrell, C. L., Astatkie, T., and M. Ebelhar, W., Peppermint Productivity and Oil Composition as a Function of Nitrogen, Growth Stage, and Harvest Time, Agronomy Journal, vol. 102, no. 1, p. 124, 2010.

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