Kowsalya BV, Poonguzhalan R, Saravanane P, Nadaradjan S. Effect of nitrogen levels and liquid nano urea application on growth and yield of rice (Oryza sativa L.). ORYZA. 2023;60(04):547-552. Accessed June 26, 2026. https://epubs.icar.org.in/index.php/OIJR/article/view/146927