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- [5] AZOLLA - BOTANY, PHYSIOLOGY, AND USE AS A GREEN MANURE [J]. ECONOMIC BOTANY, 1980, 34 (02) : 111 - 153
- [6] LUMPKIN TA, 1982, AZOLLA GREEN MANURE
- [7] IDENTIFICATION OF BLUE-GREEN-ALGAL NITROGEN-FIXATION GENES BY USING HETEROLOGOUS DNA HYBRIDIZATION PROBES [J]. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA-BIOLOGICAL SCIENCES, 1980, 77 (01): : 186 - 190