Nacua, Niņo R. Soil profiling of rice fields in San Agustin Davao del Sur/ Niņo R. Nacua, Mary Grace B. Navarez, Rosalito B. Salinas and Jhoanna Louise R. Sausal. - Digos City: UMDC October 2014. - 49 pages; 29.5 cm. Subjects--Topical Terms: Education--Undergraduate thesis.--Biological Science Dewey Class. No.: UT 0534 / N11