Tukenova, Z., Mustafayev, M., Alimzhanova, M., Akylbekova, T., Ponomarenko, O., Kusainova, G. and Bazarbayeva, T. (2021) “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”, The Journal of Nature Studies - Annals of Agrarian Science, 19(3). Available at: https://journals.org.ge/index.php/aans/article/view/279 (Accessed: 9 May 2026).