Plant and Soil

, Volume 41, Issue 3, pp 697–700 | Cite as

Evaluation of a suitable extractant for available nickel in soils

  • S. G. Misra
  • Padmakar Pande
Short Communication


Nine extractants were tried to extract soil Ni from alluvial soils and the amounts of Ni extracted were correlated with Ni uptake by Sorghum. It was found that the Grigg's reagent extracted maximum Ni from soils and CH3COOH the least. A highly significant correlation was observed between Grigg's reagent-extractable Ni and Ni uptake by plants. The extractants which gave significant correlations with plant uptake can be placed in decreasing order: Grigg's reagent (r = .945) > .1N HCl (r = .742) > .5N CH3COOH (r = .705) >N NH4OAc (r = .569) > .1N HNO3 (r = .410) > .1N H2SO4 (r = .404). Three of the extractants,viz. EDTA, K4P2O7 and citric acid, did not show any significant correlation.


Nickel EDTA Plant Physiology H2SO4 Citric Acid 
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Copyright information

© Martinus Nijhoff Publishers 1974

Authors and Affiliations

  • S. G. Misra
    • 1
  • Padmakar Pande
    • 1
  1. 1.Agricultural Chemistry Section Department of ChemistryUniversity of AllahabadIndia

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