SHARMA, G L, B S MAHAPATRA, A K SINGH, and B M PANDEY. 2013. “Role of Summer Legumes on Productivity of Maize (Zea Mays)- Wheat (Triticum aestivum)cropping System on Sandy-Loam Soil of Western Uttar Pradesh”. The Indian Journal of Agricultural Sciences 68 (6). https://epubs.icar.org.in/index.php/IJAgS/article/view/27568.