The 4 references in paper T. Aysanov S., A. Podkolzin I., Т. Айсанов С., А. Подколзин И. (2017) “ДИНАМИКА ПАРАМЕТРОВ НR ЧЕРНОЗЕМА ВЫЩЕЛОЧЕННОГО СТАВРОПОЛЬСКОЙ ВОЗВЫШЕННОСТИ И УРОЖАЙНОСТЬ ОЗИМОЙ ПШЕНИЦЫ В ДЛИТЕЛЬНОМ СТАЦИОНАРЕ // DYNAMICS OF PARAMETERS HR LEACHED CHERNOZEM STAVROPOL UPLAND AND YIELD OF WINTER WHEAT IN PERMANENT ESTABLISHMENT” / spz:neicon:stavapk:y:2015:i:1:p:181-184

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Ageev V. V., Podkolzin A. I., Dinakova S. V. Planning, methodology, methods, modifications of long experiments with fertilizers and mathematical-statistical methods of experimental data processing : guidelines. Stavropol : StGAU, 2008. 384 p.
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Environmental aspects of the use of fertilizers in modern agriculture / J. I. Grechishkina, A. N. Esaulko, L. S. Gorbatko, A. A. Belovolova, S. A. Korostilev, T. S. Aysanov // Agricultural Bulletin of Stavropol Region. 2012. Is. 3. P. 112–115.
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Podkolzin A. I., Korostilev S. A., Aysanov T. S. The influence of long-term application of mineral fertilizers in the stationary experiment on the acid-base properties of leached chernozem // Modern resource innovative technologies of cultivation of agricultural crops in the North Caucasian Federal District : рroceedings of the 76th Scientific-Practical Conference. Stavropol : Stavropol publishing «Paragraph». 2012. P. 68–70.
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