Abstract: Field experiment was conducted during kharif 2005 and 2006 at Zonal Agricultural Research Station, Mandya to study the effect of organic nutrient sources on productivity and uptake of nutrients by Aerobic rice in Cauvery command area. Soil of the experimental site was red sandy loam in texture, low in organic carbon (0.43%) and available nitrogen (270.60 kg ha-1), medium in available P2O5 (32.25 kg ha-1) and K2O (149.80 kg ha-1). Treatments consisted of 12 treatment combinations, two main plot treatments of establishment methods and six nutrient sources in sub plot were laid out in split plot design with three replications.