T. KUMAR, R. SMMAURIA, and B. L. PAREEK, “Response of barley (Hordeum vulgare) to phosphorus and zinc application under irrigated conditions of hyper arid plains of Rajasthan*”, Indian J Agri Sci, vol. 81, no. 7, Jun. 2011, doi: 10.56093/ijas.v81i7.7389.