R.N. SINGH*, V. SINGH and. “Effect of Mineral Nutrition and Environmental Variables on the Intensity of Wheat Spot Blotch under Rice-Wheat System”. Indian Phytopathology, vol. 59, no. 4, Dec. 2006, pp. 417-26, https://epubs.icar.org.in/index.php/IPPJ/article/view/17392.