Abstract
Aim: To study the effect of tube well irrigation water on soil physico-chemical properties and available nutrients status of central dry zone of Karnataka, Hiriyur taluk, Chitradurga district.
 Place and Duration of Study: Aimangala, Hiriyur, Dharmapura and Javagondanahally hoblis of Hiriyur taluk, Chitradurga district from January, 2019 to September, 2019.
 Methodology: Ninety-six soil samples using GPS from 0 - 22.5 cm depth were collected randomly representing Aimangala, Hiriyur, Dharmapura and Javagondanahally hoblis of Hiriyur taluk, Chitradurga district. The soil samples were analyzed in the laboratory for various physico-chemical parameters (pH and EC), organic carbon and available major (N, P2O5 and K2O) and micronutrients (Fe, Zn, Mn and Cu) status.
 Results and Conclusion: The results revealed that the villages studied in different hoblis were saline to sodic in soil reaction, non-saline to saline, low to high in organic matter content, low to high in available nitrogen, low to high in available phosphorus and low to high in available potassium status and sufficiency in micronutrients viz., Cu, Fe and Mn and deficient in Zn in some of the villages.
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