RAJESH KUMAR SINGH et al. 2001. Production potential and competitive ability of wheat (Triticum aestivum) + Indian mustard (Brassica juncea) intercropping under varying row ratio, farmyard manure and fertilizer level of middle Gangetic Plain of India. Indian Journal of Agronomy. 61, 4 (Oct. 2001), 460–466. DOI:https://doi.org/10.59797/ija.v61i4.4413.