Study of the efficiency of drying grass seeds for forage crops on a rotary dryer V.A. Smelik, A.N. Perekopskiy, A.V. Dobrinov and S.V. Chugunov E3S Web Conf., 262 (2021) 01037 Published online: 24 May 2021 DOI: 10.1051/e3sconf/202126201037