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Topalov, V.
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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. 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.
,
“
Method of reproducing and planting thickness of mint designed for planting stock
”
,
Rastenidavadni Nauki (Bulgarian Plant Sciences)
, vol. 1, pp. 35-39, 1989.
OREGON STATE UNIVERSITY
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