Y. S. SHIVAY, R. P. SINGH, and B. G. SHIV AKUMAR, “Effect of nitrogen on yield attributes, yield and quality of maize (Zea mays) in different cropping systems*”, Indian J Agri Sci, vol. 72, no. 3, May 2014, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/40755