Dr. Heinz Dreyer is awarded the title "Prof. h.c. SAA Samara" of the governmental agronomic academy in Samara
2001: Dr. Heinz Dreyer is awarded the title "Prof. h.c. SAA Samara" of the governmental agronomic academy in Samara
Dr. Heinz Dreyer is awarded the title "Prof. h.c. SAA Samara" of the governmental agronomic academy in Samara
- Foundation of Messrs. AMAZONE by Heinrich Dreyer