Consequences of intensive and sequential cropping on Sclerotium rolfsii and other pathogens associated with field legumes and sorghum - Opina, Oscar Siembre 1946- (1978)
Mimeographed.
Thesis (Ph.D.)--University of the Philippines, Los Banos.
Vita.
Keywords: Cropping systems; Fungi, Pathogenic; Legumes -- Diseases and pests -- Philippines; Sorghum -- Diseases and pests -- Philippines