Influence of different sources of liming materials on organic carbon status of the soil for maize crop grown in acid soil of Odisha

Abstract

A field experiment was conducted to study the “Influence of different sources of Liming materials on organic carbon status of the soil for Maize crop Grown in Acid soil of Odisha” in the village Bajpur in Khorda District of Odisha during Kharif, 2013.The soil was ameliorated with three different sources of liming materials (paper mill sludge @ 0.1LR, Stromatolyte @ 0.1 & 0.2 LR and Calcium Silicate @ 0.2 LR) added with soil test based dose with or without FYM. Results indicated the addition of FYM helped maintaining higher organic carbon content in the soil compared to the soil without its irrespective of the lime sources. The integrated application of stromatolyte @ 0.2 LR + STD with FYM gives the higher organic carbon status of the soil compare to the other treatments. The integrated application of liming materials with STD increases the organic carbon status of the soil initially (ST @0.1 LR- 0.55%, ST @ 0.2 LR – 0.53% & CS @ 0.2 LR – 0.53%) then decreases thereafter but the combine application of liming materials with STD & FYM increases the the organic carbon status of the soil up to the 21st after sowing (ST @0.1 LR- 0.55%, ST @ 0.2 LR – 0.52% & CS @ 0.2 LR – 0.54%) then decreases thereafter.