SHARMA, V K, and S K SINGHAL. “Maximizing Rice (Oryza Sativa) and Wheat (Triticum Aestivum) Productivity and Profitability Using Improved Nutrient Management Practices”. The Indian Journal of Agricultural Sciences 86, no. 9 (September 14, 2016): 1179–82. Accessed October 26, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/61514.