Alnus spp. (alder) are typical nonleguminous nitrogen-fixing trees that have a symbiotic relationship with Frankia. To explore the differences in nitrogen-fixing microorganisms between three alders (A. https://www.diegojavierfares.com/great-choice-Ostrich-On-Your-Back-Folding-Reclining-Outdoor-Camping-Lawn-Chair-Red-3-Pack-p9659-hot-value/