Out of these, 6220 soil samples were from sub zone IV covering eight districts of the s while remaining soil samples were from four districts from sub zone V. On an average, soil samples in sub zone IV and 58% soil samples in sub zone V were low in organic car status. Whereas remaining samples were medium to high in carbon content. In case of available phosphorus, 55 and 52% soil samples were found to be low in available phosphorus m zone IV and V, respectively. Soil pH of these samples were moderately acidic to strongly acidic in sub zone IV and moderately acidic to moderately alkaline in sub zone V. Overall, results clearly indicated the need of N, P and K application in farmers field through inorganic fertilizers, organic manure and bio-fertilizers for augmenting the productivity of crops which are extensively grown in Jharkhand State.
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