Agro-ecological land resources assessment for agricultural development planning : a case study of Kenya resources data base and land productivity .

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Rome : FAO of the United Nations, 1991.
Rangatū:World soil resources reports ; 71/1 - 71/8. 71 - 71/8
Ngā marau:
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