Soil and water conservation in semi-arid areas /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Hudson, Norman W.
Ngā kaituhi rangatōpū: FAO Land and Water Development Division. Soil Resources, Management and Conservation Service, Food and Agriculture Organization of the United Nations
Hōputu: Pukapuka
I whakaputaina: Rome : Food and Agriculture Organisation of the United Nations, 1987.
Rangatū:FAO soils bulletin ; no. 57
Ngā marau:
Soil conservation
Water conservation
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