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Biblio
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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.
V. D. Zheljazkov
,
Yankov, B.
, and
Topalov, V.
,
“
Comparison of Three Methods of Mint Propagation and Their Effect
”
, 1994.
V. D. Zheljazkov
,
Yankov, B.
, and
Topalov, V.
,
“
Comparison of three methods of mint propagation and their effect on the yield of fresh material and essential oil
”
,
J. Essent. Oil Res.
, vol. 8, pp. 35-45, 1996.
D
V. D. Zheljazkov
,
Yankov, B.
, and
Topalov, V.
,
“
Development and Productivity of Mentha piperita and M. arvensis var. piperascens Grown for Planting Material
”
,
J. Essent. Oil. Res
, 1996.
E
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. 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.
V. D. Zheljazkov
,
Yankov, B.
, and
Topalov, V.
,
“
Effect of mechanical and chemical weed control on the growth, development, and productivity of Mentha piperita and Mentha arvensis var. piperascens grown for planting material
”
,
J. Essent. Oil Res.
, vol. 8, pp. 171-176, 1996.
V. D. Zheljazkov
and
Topalov, V.
,
“
Effect of Planting Time and Density of Yields from Rooted Mint Cuttings
”
,
J. Herbs Spices & Medicinal Plants
, vol. 4, pp. 15-24, 1996.
V. D. Zheljazkov
and
Topalov, V.
,
“
Effect of Planting Time and Density on Yields from Rooted Mint Cuttings
”
,
Journal of Herbs, Spices & Medicinal Plants
, vol. 4, no. 3, pp. 15 - 24, 1997.
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.
M
V. Topalov
and
Zheljazkov, V. D.
,
“
Method of reproducing and planting thickness of mint designed for planting stock
”
,
Rastenidavadni Nauki (Bulgarian Plant Sciences)
, vol. 1, pp. 35-39, 1989.
S
V. D. Zheljazkov
and
Topalov, V.
,
“
. Studies on the effect of harvesting stages and the methods of weed control on the removal of nutrient elements through Mentha rhizomes from nursery plantings
”
,
Higher Institute of Agriculture – Plovdiv, Scientific Works
, vol. 4, pp. 43-48, 1991.