%0 Journal Article %T ASSESSMENT OF OPTIMUM SOIL FEATURES AND PLANT FOOD COMPOUND DEFICIENCY USING THE METHODS BASED ON FEEDBACK PRINCIPLES %A Savich, V.. %A Borisov, B.. %A Gukalov, V.. %K soil fertility, need for food compounds, photosynthesis, complex compounds, sorption properties of roots %J INTERNATIONAL AGRICULTURAL JOURNAL %D 2018 %N 1 %P 0 %I Electronic science