TRACE ELEMENTS (Co, Mn, B, Cu) IN SOILS AND PLANTS NATURAL TIMES ARE FOOTHILLS OF DAGESTAN
In the article we have determined the content of Co, Mn, B, Cu in typical soils and basic plant species characteristic of the main soil-vegetation belts the provinces foothills of Dagestan. It was found that the content of Co, Mn, B, Cu in soils and plants, and soil fertility, respectively, increased in the system of natural landscape and vegetation belts of investigated province of Dagestan: steppe belt brown soil → dry steppe dark chestnut soils → forest belt of brown forest soils