@article{Shevchenko2026effect, author={Shevchenko, V.A. and Solovyev, A.M. and Bondareva, G.I. and Popova, N.P.}, title={Effect of various depth methods of fertilizer application on the balance of mobile phosphorus and exchangeable kalium in the cultivation of lupinus angustifolium on the soils of the upper Volga region}, journal={INTERNATIONAL AGRICULTURAL JOURNAL}, publisher={Electronic science}, year={2026}, pages={428-431}, volume={0}, issue={3}, }