International Symposium on reclamation of sodic soils : guide to the excursions /
Com : A.I. Tchitchian ; Ministry of Agriculture of the Armenian SSR, Scientific-Research Institute of Soil Science and Agrochemistry.
- Yerevan : [S. n.], 1969.
- 44 pages : tabl. ; 26 cm.
- 631.4(063) (NLA) .
Soils, Salts in --Congresses Sodic soils --Congresses Alkali lands --Congresses Reclamation of land --Congresses