Distribution of the forms of nitrogen in some Philippine soils [microform]

Distribution of the forms of nitrogen in some Philippine soils [microform]

Bibliografische gegevens
Hoofdauteur: Caramancion, Maria Nylda Villena 1945-
Formaat: Visual Material
Gepubliceerd in: Quezon City Photoduplication Service. University of the Philippines Library 1977.
Onderwerpen:
Soils > Nitrogen content. > Philippines.