Magnesium status of some Philippine soils [microform]. - Nartea, Roberts Negranza 1933- (Quezon City Photoduplication Service, University of the Philippines Library, 1977)
Microfilmed with 5 other titles.
Thesis (Ph.D.)--University of the Philippines.
Originally published in [College, Laguna] 1972.
Keywords: Soils -- Philippines; Soils -- Magnesium content