Khan, V.M., K.S. Manohar, and H.P. Verma. “Effect of Vermicompost and Biofertilizer on Yield, Quality and Economics of Cowpea”. Annals of Agricultural Research 36, no. 3 (February 12, 2016). Accessed June 7, 2026. https://epubs.icar.org.in/index.php/AAR/article/view/55566.