H. Rath, B. Panda, A. Verma, A. Nayak, and J. Jena, “System based phosphorus management improved the productivity, profitability and nutrient uptake of rainfed rice (Oryza sativa L.) - greengram (Vigna radiata L.) cropping system”, ORYZA, vol. 59, no. 2, pp. 205–210, Jun. 2022, Accessed: Oct. 21, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/OIJR/article/view/125286