Сельскохозяйственные мелиорации
Материалы по теме
The development of virgin and fallow lands in the Irkutsk region in 1950-1960-ies.
The development of virgin and fallow lands in the Irkutsk region in 1950-1960-ies. 2015. |
Saline soils in Western Siberia
Orlovsky, Nikolay Vasilyevich. Saline soils in Western Siberia. |
Experimental field of the Ministry of Agriculture and State Property. The Hungry Steppe
Prokudin-Gorskii, Sergei Mikhailovich (1863-1944). Opytnoe pole Ministerstva Zemledieliia i Gosudarstvennykh Imushchestv. Golodnaia step '. [between 1905 and 1915]. |