Kahsay, W. S. (2019). Effects of nitrogen and phosphorus on potatoes production in
Ethiopia: A review. Cogent Food & Agriculture, 5(1), 1572985.
https://doi.org/10.1080/23311932.2019.1572985
Alieva, A. P. (2011). Vliyanie organicheskikh i mineral'nykh udobrenii na fosfatnyi rezhim sero-buroi oroshaemoi pochvy pod vinogradnikami Apsherona. Agrokhimiya, (7), 3-10. (in Russian).
Muratov, M. R. (2015). Vliyanie dlitel'nogo primeneniya udobrenii i khimicheskikh meliorantov na agrokhimicheskoe sostoyanie pochv i urozhainost' sel'skokhozyaistvennykh kul'tur v usloviyakh Predkam'ya Respubliki Tatarstan: Ph.D. diss. Kazan. (in Russian).
Zamanov, P. B., & Geidarova, R. Kh. (2015). Calculation and efficiency of nutrients in the soil necessary for plants. ISA Azerbaijan NAS Proceedings, 22(1-2), 324-330. (in Azerbaijani).
Movsumov, Z. R. (2009). The use of soil and plant diagnostics to obtain the planned grain yield. ISA Azerbaijan NAS Proceedings, 409-417. (in Azerbaijani).
Mamedov, G. M. (2012). Application of various fertilization systems for apple cultivation on meadow brown soil of Azerbaijan. Agrochemistry, (1), 50-55. (in Azerbaijani).