Shifting cultivation, under its diverse forms of slash and burn system, is a traditional method of cultivating tropical upland soils, mostly for subsistence purposes. This traditional system of cultivation is in ecological balance with the environment and does not irreversibly degrade the soil…
An international journal of forestry and forest industries
Revista internacional de silvicultura e industrias forestales
In view of the continuing increase in cost and scarcity of mineral fertilizers resulting from the use of high-cost fossil energy, there is renewed interest in organic recycling and biological nitrogen-fixation to improve soil fertility and productivity. The workshop in Alexandria recommended…
Policy makers as well as scientists have started to acquire an honest appreciation of the possibilities of reducing the wastage of materials which could be profitably utilized for improving or maintaining soil productivity. In addition, the great opportunities offered by making more efficient…
Revista internacional de silvicultura e industrias forestales
An international review of forestry and forest products
Revue internationale des forts et des industries forestires
Le présent décret porte attributions et organisation de la direction générale de la construction, de l'urbanisme et de l'habitat, organe technique qui assiste le ministre dans l'exercice de ses attributions en ces domaines.