Planting a mixture of grass and legume seeds with different linear growth rates allows one to set multilayer crops where the bottom layer is taken by lupine and millet, and the top one – by beans, vetch, and peas. This distribution allows the plants to maximize their sunlight intake and prevents soil moisture evaporation. Analysis of the rhizospheric indices has made it possible to determine the way soil rhizospheric processes develop in legume crops after the spring and summer plantings. In the spring mixtures, they shifted рНKCl to be more acetous increasing the amount of available chemical elements in the rhizosphere, unlike the summer mixture making рНKClmore alkali and increasing the amounts of nitrogen, phosphorous and potassium in the rhizosphere. Number of ammonifying bacteria after mixed summer planting increased 1.7-2.1 times if compared to that after spring planting, which was due to more favorable conditions when more of the easily hydrolyzed rhizospheric compounds were produced.