Combination of estimated methods at research the erosive-dangerous and eroded soils in Prisalairye

On the example of key site of Predsalairskaya drained plain the questions of soils assessment by different techniques are considered. Need of combination of different approaches to assessment the properties of arable suitable soils is proved: bonitation on soil-ecological basis, calculation of soil-ecological index and bonitation class point on its basis by means of correction coefficients.