Gumamit ng pataba at apog.

Manylion Llyfryddiaeth
Awduron Corfforaethol:	Philippines (Republic) Department of Agriculture and Natural Resources, Agricultural Information Division
Fformat:	Llyfr
Iaith:	Tagalog
Cyhoeddwyd:	Quezon City [s.n. 1961]
Cyfres:	Tagalog pamphlet Philippines (Republic) Bureau of Soils no.87
Pynciau:	Fertilizers and manures > Handbooks, manuals, etc.