K. Shukla, A., Khan, M. A., Upadhayay, N. C., & Singh, O. P. (2013). EVALUATION OF NUTRIENT MANAGEMENT OPTIONS FOR RICE-POTATO-WHEAT CROPPING SYSTEM OF UPPER GANGETIC PLAIN REGION. Potato Journal, 32(3 - 4). https://epubs.icar.org.in/index.php/PotatoJ/article/view/33391