For citations:
Venevtsev V.Z., Zakharova M.N., Rozhkova L.V. THE IMPACT OF PROTECTION SYSTEMS ON PHYTOSANITARY CONDITION OF SOWINGS AND PRODUCTIVITY OF THE SPRING BARLEY VARIETY “YAROMIR” IN THE RYAZAN REGION. Grain Economy of Russia. 2019;(5):62-67. (In Russ.) https://doi.org/10.31367/2079-8725-2019-65-5-62-67