Distribution of the forms of nitrogen in some Philippine soils [microform] - Caramancion, Maria Nylda Villena 1945- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 19 other titles.
Thesis (M.S.)
Originally published in College, Laguna, 1971.
Keywords: Soils -- Nitrogen content. -- Philippines