Soil conservation: an intertnational study
Furkejuvvon:
Searvvušdahkki: | Food and Agriculture Organization of the United Nations |
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Materiálatiipa: | Girji |
Giella: | English |
Almmustuhtton: |
United Nations :
Food and Agriculture Organization,
1952
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Fáttát: | |
Fáddágilkorat: |
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Geahča maid
-
Guidelines for the control of soil degradation
Almmustuhtton: (1983) -
Measurement of Soil Loss From Fractional Acre Plots
Dahkki: Hayward, J.A
Almmustuhtton: (1968) -
Soil conservation : an international study
Almmustuhtton: (1952) -
Soil conservation in perspective
Dahkki: Clawson, Marion
Almmustuhtton: (1965) -
Soil conservation
Dahkki: Bennett, Hung Hammond
Almmustuhtton: (1939)