- 1916: Iran, Pamir
- 1921: Canada, USA
- 1924: Afghanistan
- 1925: Khoresm
- 1926-1927: Mediteranean countries, Abyssinia, Eritrea,
and Yemen
- 1927: Bavaria, Germany
- 1929: China, Japan, Korea
- 1930: USA, Mexico, Guatemala, Honduras
- 1932-1933: Canada, USA, Cuba, Mexico, Equador, Peru,
Bolivia, Chile, Brazil, Argentina, Uraguay, Trinidad, Puerto
Rico
- 1921-1940: Systematic exporations of Soviet Union
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- 1917: Deputy Head of the Burea for Applied Botany
- 1918: Professor of Saratov University
- 1924: Head of St. Petersburg Institute for Applied
Botany and New Crops (VIR since 1930)
- 1930: First president of All Union Academy of Agriculture
- 1930: Director of Institute for Genetics
- 1931: President of Russian Geographic Society
- 1938: President of International Cogress of Genetics
(not allowed to attend conference by Soviet Government)
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