MANOJ KUMAR BARNWAL, DIPANKAR MAITI* and. “Optimization of Phosphorus Level for Effective Arbuscularmycorrhizal Activity in Rainfed Upland Rice Based Cropping System”. Indian Phytopathology 65, no. 4 (December 1, 2012): 334–339. Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IPPJ/article/view/25410.