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 50, no. 3 (October 10, 2001): 200–202. Accessed July 23, 2026. https://pub.isa-india.in/index.php/ija/article/view/5105.