Soil survey in irrigation investigations

Manylion Llyfryddiaeth
Awdur Corfforaethol:	Food and Agriculture Organization of the United Nations. Land and Water Development Division
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Rome FAO 1974.
Cyfres:	Soils bulletin
Pynciau:	Soil-surveys. Irrigation.