Skip to main content

page search

Displaying 745 - 756 of 808
Legislation
May 1985

Providing the Procedrues and Guidelines for the Expeditious Acquisitions by the Government of Private Real Properties or Rights thereon for Infrastruture and other Goernment Development Projects

Journal Articles & Books
November 1984

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…

Journal Articles & Books
November 1983

An international journal of forestry and forest industries

Journal Articles & Books
November 1983

Revue internationale des forts et des industries forestires

Journal Articles & Books
November 1982

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…

Journal Articles & Books
November 1981

This manual is designed to give detailed, practical advice on the various methodologies of organic recycling. Blue-green algae form a self-sufficient system which is capable of fixing atmospheric nitrogen in organic forms and which grows upon a free water surface. It is thus ideally suited for…

Journal Articles & Books
November 1980

An international journal of forestry and forest industries

Journal Articles & Books
November 1980

Revista internacional de silvicultura e industrias forestales

Journal Articles & Books
November 1978

The Study Tour was financed by the UNDP and had the following objectives. To gain knowledge and experience in: - The multiplication of Azolla as a source of biological nitrogen, particular attention being paid to propagation of Azolla and its protection form disease, insect damage and adverse…