GULAB SINGH YADAV, M. DATTA, SUBHASH BABU, P. SAHA, and RAGHAVENDRA SINGH. 2001. “Effect of Sources and Levels of Phosphorus on Productivity, Economics, Nutrient Acquisition and Phosphorus-Use Efficiency of Groundnut (Arachis Hypogaea) under Hilly Ecosystems of North-East India”. Indian Journal of Agronomy 60 (2): 307-11. https://doi.org/10.59797/ija.v60i2.4456.