A study of site x variety interactions for sweet potato in the Highlands of Papua New Guinea /

Lignende værker

• Phosphate and potash fertilisation of sweet potato on volcanic ash soils in the Southern Highlands of Papua New Guinea /
  af: Floyd, C.N
  Udgivet: (1987)
• Growing sweet potato on organic soils in the Highlands
  af: Kimber, A. J.
  Udgivet: (1980)
• Fertilizing sweet potato on mineral soils in the Highlands
  af: Kimber, A. J.
  Udgivet: (1980)
• Sweet potatoes: production, processing, marketing /
  af: Edmond, J. B. (Joseph Bailey), 1896-
  Udgivet: (1971)
• Composting and crop production on volcanic ash soils in the Southern Highlands of Papua New Guinea /
  af: Floyd, C. N.
  Udgivet: (1987)