Penales, Teresa P.
Applying ammonium sulfate to Palawan variety /
Teresa P. Penales.
- Indang, Cavite, 1977.
- 29p. : ill. ; 28 cm.
Special Problem (BSA Major in Agronomy) Don Severino Agricultural College.
Rice.
Fertilizers and manures.
633.18 / P37 1977