Micronutrient status of pomegranate growing soils of Hosadurga Taluk in Karnataka, India
DOI:
https://doi.org/10.31783/elsr.2019.515662Keywords:
fertility, micronutrient, nutrient content, pomegranate, variationAbstract
A study was conducted in 2015 to investigate the micronutrient status of pomegranate growing soils of Hosadurga Taluk in Chitradurga district of Karnataka. Total 100 soil samples were collected considering two categories as >2 years old pomegranate garden and <2 years old pomegranate gardens. The samples were analyzed for pH, electrical conductivity (EC), organic boron (OC), micronutrients like Zn, Fe, Mn, Cu, and hot water soluble boron. The results revealed that soil had slightly acidic to alkaline (6.28 to 9.80) pH, had low level of organic carbon (mean 0.40 %) and had lower soluble salt concentration. Micronutrients content viz; Fe, Zn and B were recorded lower in both <2 years old and >2 years old gardens; whereas other nutrients were sufficient. By using the longitude and latitude positions, soil fertility maps were prepared. Correlation study between soil micronutrient status and yield observation explained that soil nutrient content has direct relationship with yield variations.
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