Dr. Duysenbay U. Utambetov
Doctor of Philosophy in Agricultural Sciences,
Director of the Scientific Production Association of Grain and Rice of the Republic of Karakalpakstan Uzbekistan.

Dr Bahtiyor N. Abdullaev
Associate Professor,
Candidate of Agricultural Sciences,
Samarkand branch of Tashkent State Agrarian University, Uzbekistan.

Dr. Marat M. Sultonov
Associate Professor,
Doctor of Sciences,
Jizzakh State Pedagogical Institute, Uzbekistan