Found 188 results
Author Title [ Type(Desc)] Year
Filters: Author is Valtcho D. Zheljazkov  [Clear All Filters]
Journal Article
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.
V. D. Zheljazkov, Cantrell, C. L., Ebelhar, W., Rowe, D., and Coker, C., Productivity, oil content, and oil composition of sweet basil as a function of nitrogen and sulfur fertilization, HortScience, vol. 43, no. 5, 2008.
V. D. Zheljazkov, Cantrell, C. L., Ebelhar, W., and Rowe, D., Productivity, oil content, and oil composition of sweet basil as a function of nitrogen and sulphur fertilization, Hort. Sci, vol. 43, no. 5, 2008.
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.
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.
J. D. Wilson, Zheljazkov, V. D., Rathgeber, B., Caldwell, C. D., and Burton, D. L., Reduction in phosphorus availability in poultry and diary manure by mineral amendments, Soil Science and Plant Nutrition, vol. 54, no. 4, pp. 600 - 605, 2008.
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., Rumen fermentation and production effects of Origanum vulgare L. leaves in lactating dairy cows, Journal of Dairy Science, vol. 94, no. 10, pp. 5065 - 5079, 2011.
V. D. Zheljazkov and Terziisky, D., SCANNING ELECTRON MICROSCOPY INVESTIGATION ON THE SPERMODERMA OF GROWN IN BULGARIA CULTIVARS FROM GENUS SALVIA, LAVANDULA, AND OCIMUM, Acta Horticulturae, no. 426, pp. 473 - 482, 1996.
E. A. Jeliazkova, Zheljazkov, V. D., Kacaniova, M., Astatkie, T., and Tekwani, B., Sequential elution of essential oil constituents during steam distillation of hops (Humulus lupulus L.) and influence on oil yield and antimicrobial activity, Journal of Oleo Science, In Press.
K. J. Parsons, Zheljazkov, V. D., MacLeod, J., and Caldwell, C. D., Soil and Tissue Phosphorus, Potassium, Calcium, and Sulfur as Affected by Dairy Manure Application in a No-Till Corn, Wheat, and Soybean Rotation, Agronomy Journal, vol. 99, no. 5, p. 1306, 2007.
V. D. Zheljazkov and Warman, P. R., Source-Separated Municipal Solid Waste Compost Application to Swiss Chard and Basil, Journal of Environment Quality, vol. 33, no. 2, p. 542, 2004.
A. Gawde, Cantrell, C. L., Zheljazkov, V. D., Astatkie, T., and Schlegel, V., Steam distillation extraction kinetics regression models to predict essential oil yield, composition, and bioactivity of chamomile oil, Industrial Crops and Products, vol. 58, pp. 61 - 67, 2014.
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, Journal of Essential Oil Research, vol. 8, no. 3, pp. 259 - 274, 1996.
A. Margina and Zheljazkov, V. D., STUDIES ON THE INFLUENCES OF SOME SYSTEMIC FUNGICIDES ON THE YIELDS AND QUALITY OF ESSENTIAL OIL FROM BULGARIAN OIL-BEARING ROSE, Acta Horticulturae, no. 426, pp. 355 - 364, 1996.
V. D. Zheljazkov and Fair, P., STUDY OF THE EFFECT OF HIGHLY HEAVY METAL POLLUTED SOILS ON METAL UPTAKE AND DISTRIBUTION IN PLANTS FROM GENERA ARTEMISIA, DRACCOCEPHALUM, INULA, RUTA, AND SYMPHYTUM, Acta Horticulturae, no. 426, pp. 397 - 418, 1996.
S. Stanev and Zheljazkov, V. D., STUDY ON ESSENTIAL OIL AND FREE MENTHOL ACCUMULATION IN 19 CULTIVARS, POPULATIONS, AND CLONES OF PEPPERMINT (MENTHA X PIPERITA), Acta Horticulturae, no. 629, pp. 149 - 152, 2004.
V. D. Zheljazkov, Cantrell, C. L., and Astatkie, T., Study on Japanese Cornmint in Mississippi, Agronomy Journal, vol. 102, no. 2, p. 696, 2010.
N. Kovacheva, Rusanov, K., Zheljazkov, V. D., and Nedkov, N. K., Study on Morphological Characteristics and Essential Oil Constituents Bulgarian Oil-bearing Rose, HortScience, vol. 41, no. 4, 2006.
V. D. Zheljazkov, Horgan, T., Astatkie, T., Fratesi, D., and Mischke, C., Study on shrimp waste water and vermicompost as a nutrient source for bell peppers, HortScience, vol. 46, no. 11, 2011.
N. Kovatcheva, Nedkov, N. K., and Zheljazkov, V. D., Study on the Oil-bearing Rose Collection at the Research Institute for Roses, Aromatic and Medicinal Plants in Bulgaria., 2005.
A. Dzhurmanski, Varbanova, K., and Zheljazkov, V. D., Study on the Seed Progeny of Echinacea purpurea Mench., HortScience, vol. 41, no. 4, 2006.
V. D. Zheljazkov, Patterson, K., Parsons, K. J., and Sampson, G., Tolerance of bare-root ornamental perennials to selected herbicides, Canadian Journal of Plant Science, vol. 87, no. 2, pp. 439 - 442, 2007.
V. D. Zheljazkov, Stratton, G. W., and Sturz, T., Uncomposted Wool and Hair-Wastes as Soil Amendments for High-Value Crops, Agronomy Journal, vol. 100, no. 6, p. 1605, 2008.
V. D. Zheljazkov, Cantrell, C. L., and Astatkie, T., Variation in podophyllotoxin concentration in leaves and rhizomes of American mayapple (Podophyllum peltatum L.), Industrial Crops and Products, vol. 33, no. 3, pp. 633 - 637, 2011.
S. Stanev, Zheljazkov, V. D., and Janculoff, Y., Variation of chemical compounds in the essential oil from some native forms of chamomile (Chamomilla recutita L.), Beitr Zuchtungsforschung, 1996.

Pages