A preliminary report on the robusta coffee soils of Papua New Guinea /

Lignende værker

• A preliminary report on the arabica coffee soils of Papua New Guinea /
  af: Harding, P. E.
  Udgivet: (1984)
• Grow good Robusta coffee /
  Udgivet: (1960)
• Robusta coffee (Coffea canephora Pierre ex Froehner) /
  af: Robinson, J. B. D.
  Udgivet: (1986)
• A comparison of coffee soil and leaf analyses from three laboratories /
  af: Harding, P. E.
  Udgivet: (1988)
• Coffee in Papua New Guinea : an annotated bibliography /
  Udgivet: (1985)