TY CONF TI Evaluation of selection samples of sainfoin sandi on productivity in the conditions of steppe zone of the Central Chernozem region KW sainfoin sandy (Onobrychis arenaria (Kit.) DS.) KW selection KW source material KW sample evaluation KW productivity JO Multifunctional adaptive fodder production AU Saprykin, S.V. AU Zolotarev, V.N. AU Labinskaya, R.M. AU Chekmareva, A.V. PY 2025 PB Federal Williams Research Center of Forage Production and Agroecology