S. K. JATA, M. NEDUNCHEZHIYAN, S. K. MAITY, and M. MALLIKARJUN, “Fertigation effects on elephant foot yam (Amorphophallus paeoniifolius) + greengram (Vigna radiata) intercropping system”, Indian J Agri Sci, vol. 89, no. 12, pp. 2032–2036, Dec. 2019, doi: 10.56093/ijas.v89i12.96269.