1. Biblio

Biblio

Found 884 results
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1995
S. Stanev and Zheljazkov, V. D., “Study on the synthesis of essential oil and free menthol in perspective for breeding Bulgarian cultivars, populations, and clones peppermint”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 15, pp. 17-22, 1995.
V. D. Zheljazkov and Zhalnov, I., “Testing of some herbicides for weed control in clary sage plantations (Salvia sclarea L)”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 15, pp. 23-31, 1995.
V. D. Zheljazkov and Zhalnov, I., “Testing of some herbicides for weed control in clary sage plantations (Salvia sclarea L)”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 15, pp. 23-31, 1995.
1994
V. D. Zheljazkov, Yankov, B., and Topalov, V., “Comparison of Three Methods of Mint Propagation and Their Effect”, 1994.
A. Margina and Zheljazkov, V. D., “Control of Mint Rust (Puccinia menthae Pers.) on Mint with Fungicides and Their Effect on Essential Oil Content”, Journal of Essential Oil Research, vol. 6, no. 6, pp. 607 - 615, 1994.
A. Margina and Zheljazkov, V. D., “Control of mint rust (Puccinia menthae Pers.) on mint with fungicides and their effect on essential oil content”, J. Essent. Oil Res., vol. 6, pp. 607-615, 1994.
N. K. Nedkov and Zheljazkov, V. D., “Evapotranspiration on lavender seedlings (Lavandula angustifolia D.C.) grown in different irrigation environment”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 39, pp. 263-267, 1994.
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.
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.
V. D. Zheljazkov, “Some elements of Sustainable Agriculture and their application in the United Kingdom agriculture. A review. ”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 39, pp. 255-261, 1994.
1993
J. H. Knutson, Lee, S. B., Zhang, W. Q., and Selker, J., “Fiberglass wick preparation for use in passive capillary wick soil pore-water samplers”, Soil Science Society of America Journal, vol. 57, pp. 1474–1476, 1993.
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 lavander (Lavandula vera DC) Production. ”, in 24th international symposium on essential oils, 1993.
1992
V. D. Zheljazkov, Topalov, V., Yankov, B., Terziev, J., and Dimitrov, I., “Changes in the quality of Mentha rhizome as depending on the time of overground mass harvesting and the method of weed control”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 37, pp. 239-247, 1992.
I. Zhalnov and Zheljazkov, V. D., “Competitive intraspecific relations on Sorghum halepense (L.) Pers. ”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 37, pp. 113-118, 1992.
I. Zhalnov and Zheljazkov, V. D., “Competitive intraspecific relations on Sorghum halepense (L.) Pers. ”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 37, pp. 113-118, 1992.
L. Zhang, Strik, B. C., and Martin, L. W., “Date of renovation affects fall and summer fruiting of June-bearing strawberry”, Adv. Straw. Res., vol. 11, pp. 47-50, 1992.
V. Topalov and Zheljazkov, V. D., “Effect of mechanical and chemical weed control on growth, development and productivity of mentha for planting material”, in Zeszyty Naukowe Wyzszej Szkoly Rolniczo-Pedagogicznej w Siedlcach. Seria-Rolnictwo (Poland), 1992.
1991
I. Dimitrov, Terziev, Z., Zheljazkov, V. D., and Janchev, I., “Effect of fertilization and planting density on the productivity of maize hybrids grown under water stress. ”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 67-71, 1991.
V. Topalov and Zheljazkov, V. D., “Effect of harvesting stages on the yield of fresh material, essential oil, and planting material from Mentha piperita Huds. and Mentha arvensis L”, Herba Hungarica, 1991.
V. Topalov and Zheljazkov, V. D., “Effect of harvesting stages on the yields of fresh material, essential oil, and planting material from M. piperita Huds and M. arvensis ”, L. Herba Hungarica, vol. 30, pp. 60-67, 1991.
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 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 Topalov, V., “The effect of the method of propagation and the planting density on the essential oil chemical composition in Mentha piperita Huds. and Mentha arvensis L. ”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 36, pp. 25-31, 1991.
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.
V. D. Zheljazkov and Zhalnov, I., “Studies on the effect of different methods of weed control in Mentha piperita Huds. and Mentha arvensis L”, Higher Institute of Agriculture – Plovdiv, Scientific Works, vol. 4, pp. 12-19, 1991.