Vol. 16 No. 1
Influence of liming to green manure crop and different sources of phosphorus in lowland rice of Odisha
Author(s): K. KUSUMAVATHI, S. SARKAR, D. SETHI AND A. K. MOHAPATRA
Abstract: An experiment was carried out to study the impact of liming to green manure crop and different sources of phosphorus in lowland rice of Odisha consisting of STBF (Soil test based fertilizer) 100 kg N + 40 kg P2O5 + 50 kg K2O ha-1, STBF + green manuring with Sesbania and STBF + green manuring with Sesbania + liming @ 0.2 LR to green manure crop as main plots, three sources of fertilizers in sub plots such as urea + SSP + MOP, DAP as basal and urea as top dressing + MOP, urea as basal and DAP as top dressing + MOP and replicated thrice following the split plot design. The highest yield of grain (4.85 t ha-1) and straw (6.39 t ha-1) were recorded in STBF + green manuring with Sesbania + liming @ 0.2 LR to green manure crop along with DAP as basal and urea as top dressing + MOP treatment due to the highest (341.16) number of effective tillers per m2 and the lowest nutrient uptake by weeds as liming is an effective ameliorative practice that integrated in the acid soil management program to raise and maintain a near neutral pH range for optimal crop growth and yield potential.
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