Published in PCARRD Information Bulletin (Philippines) (1995)

by Valmayor, R.V, Silayoi, B, Jamaluddin, S.H, Kusomo, S, Espino, R.R.C, Pascua, O.C
Published in Information Bulletin (Philippines) (1991)

by Koppel B
Published in SEARCA Bulletin (Philippines). no. 4 (1978)

by Drilon J.D. Jr
Published in SEARCA Bulletin (Philippines). no. 3 (1977)

by Bulaong M.C, Paz R.R, Anchiboy T.F, Rodriguez A.C
Published in NAPHIRE Technical Bulletin (Philippines). no. 14 (1992)

by Muhammad Manzoor Khan
Published in SEARCA Technical Bulletin (Philippines). no. 3 (1987)

by Mendoza D.B. Jr, Garcia N.L, Pratt H.K
Published in ASEAN-PHTRC Technical Bulletin (Philippines). no. 4 (1982)

by Tan D.L.S
Published in PRIS [Philippine Root Crop Information Service] Technical Bulletin (Philippines). no. 1 (1989)

by Gundaya E.A, Bartolini P.U. (eds.)
Published in PRIS [Philippine Root Crops Information Service] Extension Bulletin (Philippines). no. 1 (1987)

by Anon., Philippine Council for Agriculture, Forestry and Natural Resources Research and Development-Department of Science and Technology, Los Banos, Laguna (Philippines)
Published in Information Bulletin (Philippines) (2006)

Published in Rice Technology Bulletin (Philippines) (2005)

Published in Information Bulletin (Philippines) (2005)

Published in Rice Technology Bulletin (Philippines) (2005)

by Anon., Philippine Council for Agriculture, Forestry and Natural Resources Research and Development-Department of Science and Technology, Los Banos, Laguna (Philippines)
Published in Information Bulletin (Philippines)

by Bulaong, M.C, Madamba, P.S
Published in Philippine Agricultural Mechanization Bulletin (Philippines) (01.01.2007)

by Cuaresma, F.D
Published in Philippine Agricultural Mechanization Bulletin (Philippines) (01.01.2007)

by Altamera, Ma.R.L, Aguinaldo, T.G
Published in Philippine Agricultural Mechanization Bulletin (Philippines) (01.01.2007)

by Sace, C.F
Published in Philippine Agricultural Mechanization Bulletin (Philippines) (01.01.2007)

by Suministrado, D.C, Gareza, A.G
Published in Philippine Agricultural Mechanization Bulletin (Philippines) (01.01.2007)

by Somera, J.C, Resurreccion, A.N
Published in Philippine Agricultural Mechanization Bulletin (Philippines) (01.01.2007)