As a result of the soil researches the morphological and chemical properties of virgin and transformed under anthropogenous influence soils of oil-producing area in Kyzylorda oblast are defined. Key parameters and criteria of an estimation of degradation of soils are developed. The map of degradation of a soil cover (scale 1: 100 000) was created based on soil map and with use of remote sensing methods.

In this work, there has been presented results about the soil degradation in arid zone and the role of natural factors in the process of desertification in Ararat concavity. Contemporary process of growing desertification in the Ararat concavity has been predicted by geodynamic condition and natural factors. However two more factors has been added in the last hundred years. They are human factor and climate change, which we will discuss later on.

It was studied the characteristic features of meadow-steppe cortical solonetzs of subzone dark-chestnut. The physico-chemical analysis, mechanical composition and study of microstructure show eluvial-illuvial differentiation of profile, high solonetzic clayey horizon, the presence of horizons with a maximum content of carbonates and gypsum. Mikromorfological analysis of solonetz revealed insideprofile differentiation characteristics. Showed, that upper solonetzic horizon has layered structure and eluvial processes. In solonetzic horizon is determined that confusedly fibrous, striated, continuous optical orientation of clay, humus-clay particles, thin kutans illuviation and layered clay sinters is bright microcharacteristic of solonetsization. It was showing that upper solonetzic horizon has layered structure and eluvial processes. In solonetzic horizon is determined that confusedly fibrous, striated, continuous optical orientation of clay, humus-clay particles, thin kutans illuviation and layered clay sinters is bright microattribute of solonetsization. Different new formation of carbonate and gypsum indicate on the specific feature of the process salinization of the underlying horizons. Founded that determining minerals are quartz and mica. Accumulation of clay minerals observed in the solonetzic horizon, which gives it a negative water-physical and physico-chemical properties.

The results of studying of the effect of irrigation erosion on the fertility of irrigated dark chestnut soils with different methods of irrigation in the foothills of the Trans-Ili Alatau are listed in the article. There was given the estimation of water-stable aggregates of dark chestnut soils, established the quantitative changes in physical and chemical properties of soils under irrigation.

The article deals with the definition of species of microorganisms involved in increasing the fertility of dark chestnut soils. The quantitative composition of microorganisms involved in the process of soil formation in dark chestnut soils, including bacteria alter the forms of iron.

The detailed information about the research results performed in the investigated object was presented in the article. The researches showed that a composition of microelements (heavy metals) and a degree of pollution was different in the investigated soils but in some places they are higher than permissible level.

Study of the efficiency of fertilizer with the long-term systematic application is to establish optimal doses of the main battery, providing the maximum possible productivity of crop rotations. The study of these problems should be the duration of the experience with a wide range of doses and ratios of mineral fertilizers in terms of selected special crops.

In industrial dump it was conducted the planning and layered filling of stony-loamy detritus surface of dump with loamy rock. Layer thickness of 30 cm. Landed from zoned species of trees - shrubs, drought and salt tolerant with high seed production. 750 tree species were planted, conducted care cultures - watering, hoeing and phonological observations for the growth and development of phytomeliorants. Survival was determined cultures. Studied water-physical, chemical and agrochemical properties of bulk clay rocks within the pilot area. On sailings conducted research on the processes of soil formation in technogenesis.

The samples, which was selected from 6 points were researched: Alga, Bestamak, Aktobe water reservoir, near by the silicate factory, Georgievka village, Tselinnoe village. On the basis of researching results of the water samples with the spectrophotometric method was determined quantative indexes of chromium and boron in the samples, an impact of the industrial enterprises on the ecological condition of the Ilek was revealed.