Methods an machines for tile and other tube drainage.
Methods an machines for tile and other tube drainage.
- Rome : FAO, n.d.
- ill. ; 29 cm.
- Informal Working Bulletin ; no.6 .
Agricultural engineering.
Includes bibliographical references.
Drain-tiles.--------
Drainage.--------
Agricultural engineering.
Includes bibliographical references.
Drain-tiles.--------
Drainage.--------