[1]
Maitra, D.N. et al. 2008. Effect of phosphorous and farmyard manure applied to sunnhemp (Crotalaria juncea) on yield and nutrient uptake of sunnhemp- wheat (Triticum aestivum) cropping system and fertility status in Typic Ustocrept of Uttar Pradesh. The Indian Journal of Agricultural Sciences. 78, 1 (Jan. 2008).