A laboratory manual in soil science

Manylion Llyfryddiaeth
Awduron Corfforaethol:	University of the Philippines (Los Banos). College of Agriculture, Department of Soils
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	[Los Banos, Laguna s.n. 19--]
Pynciau:	Soil science > Laboratory manuals.