Soil fertility and research the Philippines [microform].

Soil fertility and research the Philippines [microform].

Manylion Llyfryddiaeth
Fformat: Visual Material
Iaith:English
Cyhoeddwyd: Quezon City Photoduplication Service University of the Philippines Library, 1977.
Pynciau:
Soil surveys > Philippines > Guimba (Nueva Ecija).
Soil surveys > Philippines > Penaranda (Nueva Ecija).
Land > Classifications > Philippines > Guimba (Nueva Ecija).
Land > Classifications > Philippines > Penaranda (Nueva Ecija).