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

Εμφάνιση όλων των εκδόσεων (2)
Λεπτομέρειες βιβλιογραφικής εγγραφής
Κύριος συγγραφέας: Villegas, Leopoldo M. 1936-
Μορφή: Thesis
Γλώσσα:English
Έκδοση: 1966.
Θέματα:
Rice research.
Farmers > Philippines > Bulacan.