1. Biblio

Biblio

Found 188 results
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Filters: Author is Valtcho D. Zheljazkov  [Clear All Filters]
2013
J. B. Cannon, Cantrell, C. L., Astatkie, T., and Zheljazkov, V. D., “Modification of yield and composition of essential oils by distillation time”, Industrial Crops and Products, vol. 41, pp. 214 - 220, 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, 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.
2012
M. Munroe, Zheljazkov, V. D., Astatkie, T., and Stratton, G., “Comparison of Lead Extraction and Detection Procedures for Six Canadian Soils”, Communications in Soil Science and Plant Analysis, vol. 43, no. 17, pp. 2303 - 2313, 2012.
M. Munroe, Zheljazkov, V. D., Astatkie, T., and Stratton, G., “Comparison of lead extraction and detection procedures for six Canadian Soils”, Communications in Soil Science and Plant Analysis, vol. 43, pp. 2303-2313, 2012.
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, Astatkie, T., and Schlegel, V., “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 and Astatkie, T., “Distillation waste water can modify peppermint (Mentha ×piperita L.) oil composition”, Industrial Crops and Products, vol. 36, no. 1, pp. 420 - 426, 2012.
V. D. Zheljazkov and Astatkie, T., “Effect of distillation time on Mentha canadensis essential oil yield and composition”, HortScience, vol. 47, no. 5, 2012.
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, Astatkie, T., and Schlegel, V., “Effects of distillation time on the Pinus ponderosa essential oil yield, composition, and antioxidant activity”, HortScience, vol. 47, no. 6, 2012.
J. A. Tekippe, Hristov, A. N., Heyler, K. S., Zheljazkov, V. D., Ferreira, J. F. S., Cantrell, C. L., and Varga, G. A., “Effects of plants and essential oils on ruminal in vitro batch culture methane production and fermentation”, Canadian Journal of Animal Science, vol. 92, no. 3, 2012.
J. A. Tekippe, Hristov, A. N., Heyler, K. S., Cassidy, T. W., Zheljazkov, V. D., Ferreira, J. F. S., Karnati, S. K., and Varga, G. A., “Erratum to “Rumen fermentation and production effects of Origanum vulgare L. leaves in lactating dairy cows” (J. Dairy Sci. 94:5065–5079)”, Journal of Dairy Science, vol. 95, no. 1, p. 498, 2012.
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, 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, 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, no. 1, pp. 28 - 32, 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.
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.
2011
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 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 and Astatkie, T., “Effect of residual distillation water of 15 plants and three plant hormones on Scotch spearmint (Mentha×gracilis Sole)”, Industrial Crops and Products, vol. 33, no. 3, pp. 704 - 709, 2011.
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.
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.
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, no. 2, pp. 537 - 543, 2011.
N. Kovatcheva, Zheljazkov, V. D., and Astatkie, T., “Productivity, oil content, composition, and bioactivity of oil-bearing rose accessions”, HortScience, vol. 46, no. 5, 2011.