@ARTICLE {HULUGALLE:1987, title = {Management of plant residue for cassava (manihot esculanta Crantz) production on an acid utisol in Sough Eastern Nigeria}, author = {Hulugalle, N. and Lal, R. and Opara-Nadi, A. O. }, journal = {Field Crops Research}, year = {1987}, volume = {16}, pages = {1--16}, issn = {0378-4290}, note = {RTB; Root and Tuber; Cassava}, }