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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 ...