Abstract Rhizobia bacteria engage in nitrogen-fixing root nodule symbiosis. a mutualistic interaction with legume plants in which a bidirectional nutrient exchange takes place. Occasionally. this interaction is suboptimal resulting in the formation of ineffective nodules in which little or no atmospheric nitrogen fixation occurs. https://www.getpureroutine.com/top-deal-chromasilk-7-35-7gm-golden-mahogany-blonde-online-sale-best-super/