P.K. SURYAWANSHI et al. 2001. Yield, quality and nutrient status of soil under different integrated nitrogen management practices in wheat (Triticum aestivum) forage cowpea (Vigna unguiculata) cropping sequence. Indian Journal of Agronomy. 64, 4 (Oct. 2001), 445–449. DOI:https://doi.org/10.59797/ija.v64i4.5311.