Long-term grasses and fertility of southern chernozems of Bashkir Zauralye

Influence long-term grating, grasses from natural communities and grain crops on agrophysical the properties defining fertility of chernozem of southern Bashkir Zauralye is studied. Formation elevated and underground weight, change of density, porosity, structurally-modular structure of southern chernozem under different kinds of grasses is considered.