Influence of humic fertilizer on structure and microbiological activity of southern chernozem under various cultures

In the conditions of production experiment on crops of winter wheat and sunflower on south chernozem the tests of new humic BioDon fertilizer were carried out. It is established, that using the biologically active humic preparation allowed to keep a structural condition of the soil at rather high level, and under sunflower even to raise the share of agronomical valuable aggregates in southern chernozem due to increasing the microbiological activity.