Soil taxonomy a basic system of soil classification for making and interpreting soil surveys

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi rangatōpū: United States
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: Washington, D. C. : Soil Conservation Service, U.S. Dept. of Agriculture 1975
Rangatū:Agriculture handbook no. 436
Ngā marau:
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