PHYSICAL AND CHEMICAL FEATURES OF SLOPE LANDS ON THE SOUTHEAST PART OF THE MORE CAUCASUS ON THE EXAMPLE GOBUSTAN, SHAMAH AND ISMAILLINSKY DISTRICTS

Abstract

The present article describes physical, chemical, and physicochemical properties of the steppificated mountain brown soils under perennial plantings by using modern irrigation technology with the aim of increasing the productivity of soils in freshwater. Corresponding norms were determined in watering of orchards on the steppificated mountain brown soils of the southeastern slope of the Greater Caucasus. Chemical characteristics of the soil taken from the experimental zones vary among gyroscopic humidity in upper layer 6,18-6,23 %, humus 4,03-4,30%, total nitrogen 0,252- 0,238%, total phosphorus 12,22-13,33 mg/kg; CO2 5,58%; CaCO3 in relation to CO2-12,70%; Ca in 100gr soil – 30,5 mg/kg; Ca-84,72-87,14%; Mg-12,86-15,28%. According to morphological characteristics of sections taken from steppificated mountain brown soils, mechanical content of this soil is heavy clay. Amount of physical clay in the upper layers of this soil vary between 67,20-69,20%, amount of clay between 34,40-39-20%, in the lower layer between 65,20-77,20%; 29,60-32,80%. Structural content of this soil, amount of structural parts higher than 1mm in the upper layer of the soil varies between 61,72-62,33% and in the lower layer between 68,05- 68,80%.