Author(s):

Rahul Dev Behera and SK Pattanayak

Abstract: A laboratory experiment was conducted to study the “Composition study of the liming materials to know the efficiency and effectiveness in soil and plant”. In the experiment three different sources of liming materials were used i.e industrial source paper mill sludge and calcium silicate and natural source Stromatolite. Results indicated that the highest neutralizing value (80%) was observed in the Stromatolite which contain some amount of Mg (10.5%) and S (0.04%) also. So the reactivity of Stromatolite was more compare to the other liming materials. The highest quantity of micronutrients was observed in the paper mill sludge. The highest Cr content was observed in the calcium silicate (290%), Cd in paper mill sludge (7%) and Pb in Stromatolite (13.2%). The only Si was one present in the calcium silicate not in paper mill sludge and Stromatolite.

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