For citations:
Sakhabiev I.A., Giniyatullin K.G., Smirnova E.V. The use of Kappa statistics to assess long-term changes in the intrafield heterogeneity of the content of available forms of phosphorus and potassium. Agrarian science. 2025;1(6):101-108. (In Russ.) https://doi.org/10.32634/0869-8155-2025-395-06-101-108