BABU, SUBHASH, D S RANA, DASHARATH PRASAD, and SURESH PAL. 2013. “Effect of Sunflower Stover and Nutrients Management on Productivity, Nutrient Economy and Phosphorus Use Efficiencies of Pigeonpea (Cajanus Cajan)-Sunflower (Helianthus Annuus) Cropping System”. The Indian Journal of Agricultural Sciences 83 (2). https://doi.org/10.56093/ijas.v83i2.27993.