P.D. KUMAWAT, and N.L. JAT. “Effect of Organic Manure and Nitrogen Fertilization on Productivity of Barley (Hor- Deum Vulgare)”. Indian Journal of Agronomy, vol. 50, no. 3, Oct. 2001, pp. 200-2, https://doi.org/10.59797/ija.v50i3.5105.