6199
Rauschkolb, Roy S.
Land degradation
Rome
Food and Agriculture Organization of the United Nations
c1976
xii, 105p.: ill
Soils bulletin; no.31
Includes bibliographical references
by Roy S. Rauschkolb, prepared by FAO as a United Nations interagency focal point with contributions form IAEA, Unesco and WHO
، Soil conservation
S
623
.
R38
1976
AU
CO Food and Agriculture Organization of the United Nations. Soil Resources development and conservation services
TI
SE
CL
