Investigating the effect of Amygdalus scoparia Spach tillage on some of the physicochemical properties of the soil

Finding the relation between vegetation and edaphic factors is significant for improving productivity, preserving species diversity, preventing financial risk. The present experiment was carried out to determine the impact of Amygdalus scoparia spach tillage on some of the physiochemical properties of the soil. Accordingly, three projects of Amygdalus scoparia tillage in Eghlid, Arsanjan, and Kazeroun in Fars province were selected. Soil samplings were obtained from two depths (0-50 and 50-100 cm) and two locations (under and between of Amygdalus scoparia) in a completely randomized block design with three replications. Samples were sent to laboratory to analyze variables including: organic materials, pH, absorbable phosphorus (PO4, P2O5), exchangeable potassium (K2O), electrical conductivity, nitrogen percentage, moisture percentage, bulk density, and soil texture. The results indicated that due to the availability of organic material and moisture (at least in two sites) in the surface layers and a double increase in the amount of exchangeable potassium (K2O) in the surface and deeper layers of the soil under Amygdalus scoparia (in comparison to the soil between the shrubs), this species has a protective impact for its under story species. Hence, it can be applied as a nursing plant for the rangeland species.