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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, 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.
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, Astatkie, T., and Schlegel, V., Hydrodistillation extraction time effect on essential oil yield, composition, and bioactivity of coriander oil, Journal of Oleo Science, vol. 63, no. 9, pp. 857 - 865, 2014.
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.
H. Y. Sintim, Burkhardt, A., Gawde, A., Cantrell, C. L., Astatkie, T., Obour, A. E., Zheljazkov, V. D., and Schlegel, V., Hydrodistillation time affects dill seed essential oil yield, composition, and bioactivity, Industrial Crops and Products, vol. 63, pp. 190 - 196, 2015.
H. Y. Sintim, Burkhardt, A., Gawde, A., Cantrell, C. L., Astatkie, T., Obour, A., Zheljazkov, V. D., and Schlegel, V., Hydrodistillation time affects dill seed essential oil yield, composition, and bioactivity, Industrial Crops and Products, vol. 63, pp. 190-196, 2015.
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J. Terziev and Zheljazkov, V. D., Impact of laser irradiation of cotton seeds on the yields and quality of cotton, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 39, pp. 167-173, 1994.
A. Dobreva, Kovatcheva, N., Astatkie, T., and Zheljazkov, V. D., Improvement of essential oil yield of oil-bearing (Rosa damascena Mill.) due to surfactant and maceration, Industrial Crops and Products, vol. 34, no. 3, pp. 1649 - 1651, 2011.
A. Dobreya, Kovatcheva, N., Astatkie, T., and Zheljazkov, V. D., Improvement of essential oil yield of oil-bearing rose (Rosa damascena Mill.) due to surfactant and maceration, Industrial Crops and Products, vol. 34, pp. 1649-1651, 2011.
R. Tsevtkov Raev, Jordanov, R., and Zheljazkov, V. D., Induced polyploidy in lavender, Acta horticulturae, 1996.
R. Tsevtkov Raev, Jordanov, R., and Zheljazkov, V. D., INDUCED POLYPLOIDY IN LAVENDER, Acta Horticulturae, no. 426, pp. 561 - 572, 1996.
R. Tsevtkov Raev, Jordanov, R., and Zheljazkov, V. D., Induced Polyploidy In Lavender, ISHS Acta Horticulturae, 2006.
R. Tsevtkov Raev, Jordanov, R., and Zheljazkov, V. D., Induced Polyploidy in Lavender, Acta Hort. , vol. 426, pp. 561-572, 1996.
H. Y. Sintim, Zheljazkov, V. D., Obour, A. K., Garcia y Garcia, A., and Foulke, T. K., Influence of nitrogen and sulfur application on camelina performance under dryland conditions, Industrial Crops and Products, vol. 70, pp. 253 - 259, 2015.
H. Y. Sintim, Zheljazkov, V. D., Obour, A. K., Garcia y Garcia, A., and Foulke, T. K., Influence of nitrogen and sulfur application on camelina performance under dryland conditions, Industrial Crops and Products, vol. 70, pp. 253–259, 2015.
H. Y. Sintim, Zheljazkov, V. D., Obour, A. K., Garcia, A. G., and Foulke, T. K., Influence of nitrogen and sulfur application on camelina performance under dryland conditions , Industrial Crops and Products, vol. 70, pp. 253-259, 2015.
K. M. Bowes, Zheljazkov, V. D., Caldwell, C. D., Pincock, J. A., and Roberts, J. C., Influence of seeding date and harvest stage on yields and essential oil composition of three cultivars of dill ( Anethum graveolens L.) grown in Nova Scotia, Canadian Journal of Plant Science, vol. 84, no. 4, pp. 1155 - 1160, 2004.
K. M. Bowes, Zheljazkov, V. D., Caldwell, C., Pincock, J., and Roberts, J. J., Influence of seeding date and harvest stage on yields and essential oil composition of three cultivars of dill (Anethum graveolens L.) grown in Nova Scotia, Can. J. Plant Sci. , vol. 84, pp. 1155-1160, 2004.
T. Kolev and Zheljazkov, V. D., Influence of some biologically active substances on the productivity of winter wheat cultivar Gergana, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 39, pp. 247-250, 1994.
A. Margina, Lecheva, I., and Zheljazkov, V. D., Investigation on pest entomofauna and fungus diseases of essential oil and medicinal plants in Bulgaria. Part II. Study on economically important diseases., in Proceedings. International symposium. Breeding research on medicinal and aromatic plants, 1996.
I. Lecheva, Margina, A., and Zheljazkov, V. D., Investigation on pest entomofauna and fungus diseases on essential oil and medicinal plants in Bulgaria. Part 1. Study on the harmful entomofauna., in Proceedings. International symposium. Breeding research on medicinal and aromatic plants, 1996.
A. Margina, Lecheva, I., and Zheljazkov, V. D., . Investigation on pest entomofauna and fungus diseases on essential oil and medicinal plants in Bulgaria. Part II. Study on economically important diseases., Beitrage zur Zuchtungsforschung , vol. 2, pp. 261-263, 1996.
A. Margina, Lecheva, I., and Zheljazkov, V. D., . Investigation on pest entomofauna and fungus diseases on essential oil and medicinal plants in Bulgaria. Part I. Study on the harmful entomofauna, Beitrage zur Zuchtungsforschung , vol. 2, pp. 257-260, 1996.
K. S. Kozhuharova, Nikolova, A. M., Zheljazkov, V. D., and Craker, L. E., Investigation on the Spermoderm of Gyphophila spp., L.J. Herbs Spices & Medicinal Plants, vol. 5, pp. 85-92, 1997.

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