Field experiments were conducted from 2010 to 2012 at Zonal Agricultural Research Station, Mandya to study the effect of farmyard manure and bio-digester liquid manure on the performance of aerobic rice – field bean cropping sequence. Soil was red sandy loam in texture, low in organic carbon ( %) and available nitrogen ( kg ha-1 ), medium in available P2O5 ( kg ha-1 ) and K2O ( kg ha-1 ). |