DUBEY, Y P, and NAVEEN DATT. “Affectivity of Rhizobium Leguminosarum Phaseoli With Nitrogen in French Bean (Phaseolus Vulgaris) - Wheat (Triticum Aestivum) Cropping Sequence *”. The Indian Journal of Agricultural Sciences, vol. 78, no. 2, Jan. 2011, https://epubs.icar.org.in/index.php/IJAgS/article/view/2673.