Food at the grass roots; the Nation's stake in soil minerals.

Food at the grass roots; the Nation's stake in soil minerals.

Manylion Llyfryddiaeth
Awdur Corfforaethol: Tennessee Valley Authority. Dept. of Agricultural Relations
Fformat: Llyfr
Iaith:English
Cyhoeddwyd: Knoxville s.n. 1947.
Pynciau:
Fertilizers and manures.
Agriculture > Tennessee Valley.