Gupta, I N, and S S Rathore. 2012. “Effect of Fertility Level on Growth, Yield and Economics of Pigeonpea (Cajanus Cajan) + Soybean (Glycine Max) Intercropping System under Rainted Condition in Rajasthan”. The Indian Journal of Agricultural Sciences 65 (7). https://epubs.icar.org.in/index.php/IJAgS/article/view/18906.