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.bekindtopets.com/hot-save-Fresh-n-Clean-Scented-Shampoo-15-1-Concentrate-Crisp-Linen-Gallon-great-choice/