Tukenova, Z.; Mustafayev, M.; Alimzhanova, M.; Akylbekova, T.; Ponomarenko, O.; Kusainova, G.; Bazarbayeva, T. Formation of Yield and Quality of Vegetable Crops When Using a Biological Preparation in the Conditions of Dark Chestnut Soils of the South-East Kazakhstan. JNS-AASCI 2021, 19.