AVAILABILITY OF THE HEAVY METALS AND MICROELEMENTS TOTAL FORMS IN THE AGRICULTURAL LAND SOILS OF TYVA REPUBLIC
Soils provision with the heavy metals total forms in the 13 areas of Tyva Republic is researched in the article. It is determined that excess of maximum concentration limit for cadmium is fixed on 2,0 thousand hectare, for nickel on 2,4 thousand hectare, for zinc on 2,7 thousand hectare and for lead on 225,0 thousand hectare.