Biological resources to reproduce arable soils fertility in the old-cultivated regions of Kazakhstan

Abstract

The article examines the preconditions for the use of local biological resources in farming agriculture of the North Kazakhstan Region. Wild land reclamation in the central and southern regions has resulted in enhanced extensive nature of farming agriculture in the region which is due to the low agronomic standards and difficult soil and climatic conditions. An increased share of soil-depleting crops in the post-Soviet period aggravated both arable soils dehumification and excessive nutrients removal