A detailed soil fertility status of the chickpea growing soils of owk mandal, Kurnool district () was investigated during 2017-18 to identify the soil related crop production constraints. Geo-referenced composite surface soil samples (0-15cm) were collected and analyzed for pH, EC, OC and available N, P, K. Almost all soils were moderately alkaline in reaction. | GPS and GIS based soil fertility maps and identification of soil related constraints for chickpea growing soils of Owk Mandal, Kurnool District (), India
