AHMED, S RIAZUDDIN, K M KHADKE, K CHANDRASEKHAR REDDY, and G R MARUTHI SANKAR. 2014. “Soil Test Based Optimal Fertilizer Requirements for Attaining Different Yield Targets of Castor (Ricinus Communis) in Dryland Alfisols”. The Indian Journal of Agricultural Sciences 71 (1). https://epubs.icar.org.in/index.php/IJAgS/article/view/39495.