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A study was conducted to assess the soil fertility status of major betel vine growing soils of Tumkur district of Southern Karnataka for sustainable soil management and betel vine production. Thirty soil samples were collected at two different depths (0-30 and 31-60 cm) from different betel vine plantations and analysed for pH, electrical conductivity, organic carbon and available macro and micronutrients. | Assessment of soil fertility status in major betel vine growing soils of Tumkur district of southern Karnataka for sustainable production