Ecological study of the Bontoc rice paddy system a case of human-environment interaction

Bibliographic Details
Main Authors:	Omengan, Elizabeth A. (Author), Sajise, Percy E. (Author)
Format:	Analytics
Language:	English
Published:	1982.
Subjects:	Rice > Planting > Philippines > Bontoc (Mountain Province) Rice > Irrigation > Philippines > Bontoc (Mountain Province) Soils > Nitrogen content. > Philippines > Bontoc (Mountain Province) Soils > Phosphorus content. > Philippines > Bontoc (Mountain Province)