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How to Make and Set FADS (Fish Aggregating Devices)

SOME HINTS FOR THE MAINTENANCE OF SHALLOW-WATER FADS Once a
float breaks loose from its anchor, you have little chance of finding it. You should
therefore pay close attention both when making and setting the FAD. Every time ...

Application of Nitrogen-fixing Systems in Soil Improvement and Management

Biological nitrogen-fixation. Rhizoia-legume symbiosis. Ble-green alge. Free-livin nitrogen-fixing bacteria. Azolla. Nodulated non-leguminous plants. Some costs of biofertilizers.

Taha, M.S. Isolation of some nitrogen-fixing blue-green algae from the rice fields
of 1963 Egypt in pure culture. Microbiologiya, USSR. 32:421-425. Taha, M.S.
Effect of nitrogen compounds on the growth of blue-green algae and fixation of ...

Training and Extension in the Co-operative Movement

A Guide for Fieldmen and Extension Workers

It simply means that people have to become " involved " or " caught up " in the
educational program in order to learn: they must be taken into the activities and
become part of them: they must participate and be active in the work of education.