Ntaus cim: Tag nrho-Lavxias Kev Tshawb Fawb Lub Tsev Haujlwm ntawm Agrochemistry muaj npe tom qab V.I. D.N. Pryanishnikova

Cov koom haum: Ministry of Agriculture thiab Khoom noj khoom haus ntawm Moscow Cheeb Tsam thiab Tsoom Fwv Teb Chaws Cov Nyiaj Txiag Lub Tsev Haujlwm "All-Lavxias Kev Tshawb Fawb Lub Tsev Kawm Ntawv ntawm Agrochemistry muaj npe tom qab D. ...