Impact of huminatrin on barley yield and quality in subtain zone of the Omsk region Alyona Krasovskaya, Tatyana Veremey, Natalia Kudryavtseva and Sergey Zakharchenko BIO Web Conf., 37 (2021) 00135 Published online: 27 October 2021 DOI: 10.1051/bioconf/20213700135