1. Tyutyunov, S.I., Comprehensive assessment of the long-term use of fertilizers on the main indicators of the fertility of typical chernozem, Plodorodie, 2021, no. 3, pp. 45–48.
2. Konova, A.M. and Gavrilova, A.Yu., Effect and aftereffect of long-term application of increasing doses of mineral fertilizers on crop rotation productivity and agrochemical indicators of sod-podzolic light loamy soil, Plodorodie, 2021, no. 4, pp. 10–13.
3. Aliyev, I.H. and Aliyev, Z.H., On evaluating the effect of soil treatment and fertilizer on the cultivation of grain crops, Nat. Resour. Earth Environ. Prot., 2020, vol. 1, no. 3, pp. 4–8.
4. Vlasova, O.I., Smakuev, A.D., and Trubacheva, L.V., Influence of tillage methods on the efficiency of cultivation of corn hybrids in the Karachay-Cherkess republic, Zemledelie, 2019, no. 7, pp. 32–34.
5. Averkina, S.S., Regional features and evaluation of the methods aimed at labile phosphates determination in the soil of Novosibirsk region, Vestn. Novosib. Gos. Agrar. Univ., 2019, vol. 3, no. 52, pp. 7–16.