%0 Journal Article %T 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 %A Shevchenko, V.A. %A Solovyev, A.M. %A Bondareva, G.I. %A Popova, N.P. %K fertilizer system, minimum tillage, ploughing, developed sod-podzolic soils, leaching type of water regime %J INTERNATIONAL AGRICULTURAL JOURNAL %D 2026 %N 0 %P 3 %I Electronic science