Nitrogen and phosphorous requirements of gmelina arborea (Roxb.) seedlings - Serna, Constante B. 1935- (1979)
Appendices: leaves 94-104.
Mimeographed.
Thesis (M.S.)--University of the Philippines, Los Banos.
Vita.
Keywords: Yemane -- Fetilizers and manures; Nitrogen fertilizers; Phosphatic fertilizers; Plants, Effect of nitrogen on; Plants, Effect of phosphorous on