The representative soil series of order Entisols, Inceptisols and Vertisols collected from agriculture college Kolhapur and different research stations of Sub-montane zone of Maharashtra were assessed for different forms of potassium and its distribution. The water soluble K contributed very lowest fraction than the rest of all forms of potassium (. % of total K). From the mean values higher water soluble K was noticed in Vertisols followed by Inceptisols and Entisols. |