Abstract
Among the arguments in favor of new crop production technologies are the need for improvement of regional ecology and biodiversity, and high-quality biological products. Methods for reducing crop losses caused by air and soil droughts in the central and southern regions of Russia were analyzed. Field observations (2010-2016) were carried out using a crop rotation scheme of experimental fields with a wide range of crop varieties: wheat, barley, corn, sunflower, peas, chickpeas, alfalfa, and flax. The purpose of the article is to assess regional characteristics of effective soil fertility using different resource-saving technologies. Biological productivity (regional, local) was used as an integral indicator of effectiveness of agricultural technologies and crop yields. High effective fertility was observed when using a zero agrotechnology in Volgograd region and minimum tillage method in Stavropol region. The need for the control of soil fungistasis as a basis of biological activity of the soil and long-term improvement of effective fertility of the arable land was emphasized.
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