Soil conservation.
Hudson, Norman.
Soil conservation. - London : Batsford, 1971. - 3-320 p. illus., maps. 23 cm.
Includes bibliographies.
0713405600 9780713405620
73886490
Soil conservation.
Soil erosion.
631.4
Soil conservation. - London : Batsford, 1971. - 3-320 p. illus., maps. 23 cm.
Includes bibliographies.
0713405600 9780713405620
73886490
Soil conservation.
Soil erosion.
631.4