Nutrient supply in volcanic ash soils for foodcrop production in the Highlands of Papua New Guinea /

Podobne zapisy

• Characteristics and genesis of volcanic ash soils in the Philippines /
  Wydane: (1988)
• Southern Highlands Highway volcanic ash soils /
  od: Kiek, Sidney Noel
  Wydane: (1972)
• Evaluation of introduced vegetable varieties on volcanic ash soils in the Southern Highlands of Papua New Guinea /
  od: Kanua, M. B.
  Wydane: (1985)
• Composting and crop production on volcanic ash soils in the Southern Highlands of Papua New Guinea /
  od: Floyd, C. N.
  Wydane: (1987)
• Phosphate and potash fertilisation of sweet potato on volcanic ash soils in the Southern Highlands of Papua New Guinea /
  od: Floyd, C.N
  Wydane: (1987)