| Land Portal
Displaying 461 - 470 of 495
Journal Articles & Books
December 1982
Egypt
Switzerland
Japan
Vietnam
Chile
Jordan
China
Germany
Indonesia
Brazil
Argentina
India
Republic of Korea
Hungary
Thailand
Asia
Africa

This Bulletin contains the papers and proceedings of the FAO/SIDA Workshop on Organic Materials and Soil Productivity in the Near East.

Journal Articles & Books
December 1982
Egypt
Nigeria
Iraq
Australia
Ghana
Congo
Sierra Leone
Cameroon
New Zealand
Rwanda
Philippines
South Africa
Vietnam
Japan
Madagascar
Tanzania
India
Romania
Brazil
Cuba

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.

Journal Articles & Books
December 1981
Egypt
Morocco
United States of America
Philippines
South Africa
Iraq
Japan
Sweden
China
Myanmar
India
Senegal

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 propagation in rice fields. The development and use of blue-green algae require special techniques.

Share this page