TY - BOOK AU - Malab,Stanley C.(Stanley Corpuz). TI - Nitrogen dynamics a agroforestry systems in the semiarid hillylands of the Philippines PY - 1992/// CY - Ann Arbor, Mich. PB - University Microfilms International KW - Agroforestry KW - Philippines KW - Nitrogen cycles N1 - Thesis (Ph.D.)-Colorado State University, 1992 ER -