Fertilizer best management practices by SSNM and customized fertilizers for elephant foot yam (Amorphophallus paeoniifolius) cultivation in India oleh G BYJU, M NEDUNCHEZHIYAN, JAMES GEORGE, S SUNITHA, R KAMALKUMARAN, P P SINGH, K MAMATHA, SURAJIT MITRA, JAYANTA TARAFDAR, KETAN DESAI, V RAVI, M VANI, SABITHA SOMAN, K R REMYA REMESH