RAMESHWAR R, SINGH CM. Economy in fertilizer use in maize (Zea mays)-wheat (Triticum aestivum) sequence under rainfed condition in Himchal Pradesh. Indian J Agri Sci. 2013;67(12). Accessed July 4, 2026. https://epubs.icar.org.in/index.php/IJAgS/article/view/30096