A field experiment was conducted during summer seasons of 2012 on medium black clayey soil at Junagadh Agricultural University, Junagadh (Gujarat) to study the effect of different fertilizer treatments on growth, yield attributes and yield and quality analysis of summer castor. Results revealed that fertilizing the crop with 100 kg N ha-1, 50 kg P O ha-1 along with 20 kg S ha-1resulted in significantly higher growth attributes, yield attributes, yield, 2 5 quality parameters, and net returns, and was found at par with 75 kg N ha-1, 25 kg P O ha-1 along with 0 kg S ha-1 in the 2 5 medium black calcareous soil of South Saurashtra Agro climatic region.