1. A. Baitursynov Kostanay Regional University, Kazakhstan
2. Agricultural Experimental station “Zarechnoye”, Kazakhstan
3. P.A. Stolypin Omsk State Agrarian University, Russia
4. Samara State Agrarian University, Russia
5. A. Baitursynov Kostanay Regional University, Kazakhstan; Lomonosov Moscow State University, Russia
6. Russian Academy of Sciences, Russia
7. JSC “S. Seifullin Kazakh Agrotechnical University”, Kazakhstan