RAMESH, P., SINGH, M., PANWAR, N. R., SINGH, A. B., & RAMANA, S. (2011). Response of Pigeonpea (Cajanus cajan) varieties to organic manures and their influence on fertility and enzyme activity of soil*. The Indian Journal of Agricultural Sciences, 76(4). https://epubs.icar.org.in/index.php/IJAgS/article/view/2744