Soil erosion by water : some measures for its control on cultivated lands /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū: Food and Agriculture Organization of the United Nations
Hōputu: Pukapuka
I whakaputaina: Rome : FAO, 1965
Rangatū:FAO agricultural development paper ; no. 81
Ngā marau:
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