The humic brown soils of the Papua New Guinea highlands : a reinterpretation

Auteur :
WOOD, A. W.

Description :
Developing on volcanic ash, these soils owe their distinctive appearance and properties to the nature of the soil parent material rather than climate. Not as fertile as once presumed, the soils are no longer capable of sustaining continuous cropping of sweet potatoes. - (D. W. Gade).


Type de document :
Article de périodique

Source :
Mountain research and development, 1987, vol. 7, n°. 2, p. 145-156, Références bibliographiques : 53 réf.

Date :
1987