Abstract
Efficiency of accumulation of organic mass of different sideration cultures is certain in shot term crop rotations depending on treatment of soil in the droughty terms of South Steppe of Ukraine. The structure of soil got better due to application of the system of without dumps shallow treatment, vegetable bits and pieces protected it from water and wind erosion, favourable terms were created for soil microorganisms. It is found out that peas in the clean sowing to use on a green fertilizer beside the purpose.
Keywords:
organic mass, productivity, sideration cultures, wheat winter-annual, treatment of soil.