Status of available major nutrients in soils of Aravalli district of Gujarat

Abstract

A study was undertaken to assess the status of available major nutrients in soils of Aravalli district of Gujarat. Total 240 surface (0-15 cm) soil samples were collected from cultivated farmer’s fields of 6 talukas of Aravalli district during 2016. The soil samples were analyzed for available N, P2O5, K2O and S. The available N, P2O5, K2O and S content in these soils ranged from 109.76 to 344.76, 18.75 to 100.40, 120.96 to 967.68 kg/ha and 5.11 to 23.87 mg/kg with a mean value of 230.30, 51.44, 345.24 kg/ha and 14.89 mg/kg, respectively. Out of 240 soil samples, 61.3 per cent were found to be low in available nitrogen status, 46.7 per cent were found to be medium in available phosphorus status, 56.7 per cent were found to be high in available potassium status and 65.4 per cent were found to be medium in available sulphur status. Overall, soils of Aravalli district had nutrient index values of 1.39, 2.22, 2.55 and 1.99 for available N, P2O5, K2O and S which indicates low, adequate, high and marginal fertility status, respectively.