Sweet potato in Papua New Guinea /

Lignende værker

• The effect of four levels of nitrogen and time of harvest on the yield of sweet potato (Ipomoea batatas (L.) Lam) : a thesis submitted in partial fulfilment of the requirement for the Post Graduate Diploma in Agriculture /
  af: Talopa, Pamenda
  Udgivet: (1989)
• Sweet potatoes: production, processing, marketing /
  af: Edmond, J. B. (Joseph Bailey), 1896-
  Udgivet: (1971)
• Sweet potato.
  Udgivet: (1977)
• Dani sweet potatoes.
  Udgivet: (1973)
• Sweet potato (Ipomoea batatas (L.) Lam) /
  af: Hackett, Clive, 1938-
  Udgivet: (1984)