Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers

Field demonstration its effects on level of knowledge, understanding and attitudes of farmers about choice of a rice variety and use of fertilizers

Bibliographic Details
Main Author: Villegas, Leopoldo M. 1936-
Format: Thesis
Language:English
Published: 1966.
Subjects:
Rice research.
Farmers > Philippines > Bulacan.