Land for tomorrow : subsistence agriculture, soil fertility and ecosystem stability in the New Guinea highlands /

Lignende værker

• The stability and permanence of Huli agriculture /
  af: Wood, A. W. (Andrew W.)
  Udgivet: (1985)
• Haiyapugwa aspects of Huli subsistence and swamp cultivation
  af: Powell, Jocelyn
  Udgivet: (1982)
• Southern Highlands Highway volcanic ash soils /
  af: Kiek, Sidney Noel
  Udgivet: (1972)
• The management properties of Andisols in Southern Highlands Province, Papua New Guinea /
  af: Radcliffe, David J.
  Udgivet: (1985)
• An appraisal report on Southern Highlands Provincial Government operation in 1986 /
  af: Waipek, Gabriel Kuma
  Udgivet: (1986)