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Soil Testing Unit

 

Soil Testing Unit
     During the year 2004-05, altogether 7715 surface soil samples (0-15 cms) were received in soil testing laboratory (Non-Plan) from farmers of plateau region of Jharkhand. The Analysis services were provided to farmers on FREE OF COST and recommendation of few on the basis of soil test values were sent to concerned farmers.

     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.

Soil Test Parameters
Percent Soil Samples in Each Fertility Status
 
Sub Zone IV
Sub Zone V
  Low Medium High Low Medium High
Organic Carbon
63.0 31.0 6.0 58.0 28.0 14.0
Available Phosphorus
55.0 34.0 11.0 52.0 30.0 18.0
Available Potassium
33.0 59.0 8.0 31.0 56.0 13.0
pH Range
  4.5 to 6.9     4.7 to 7.6  
   
   
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Birsa Agricultural University, Kanke, Ranchi, Jharkhand.