Joint or binary sowing of grain fodder crops and perennial legume grasses

Found that the combined crops of spring wheat and perennial bean grasses increases the yield of wheat in the 3.6-7.1 hundredweight per hectare. It improves the chemical composition of straw. With mulch (straw and bean grasses) are fed into the soil nutrients, equivalent to 5.5 hundredweight per hectare of mineral fertilizers.