Initial material for breeding drought-resistant varieties of spring barley in the conditions of the Volga-Vyatka regionI. Yu. Zaytseva, L.V. Mamaeva, I. N. Shchennikova, L. P. Kokina and E. V. DyagilevaE3S Web Conf., 254 (2021) 01022DOI: https://doi.org/10.1051/e3sconf/202125401022