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- [2] SYMBIOTIC NITROGEN-FIXATION AND PHOTOSYNTHESIS IN ALFALFA ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1979, (SEP): : 10 - 10
- [8] PROGRESS IN BREEDING FOR IMPROVED NITROGEN-FIXATION POTENTIAL IN ALFALFA AGRICULTURAL RESEARCH SERVICE PUBLICATION, 1976, (NNC-5): : 48 - 48