The image for the kept reveals normal resources nodules, these from bur clover (Medicago)
The image for the kept reveals normal resources nodules, these from bur clover (Medicago) In a symbiotic relationship with the soil bacteria known as ‘rhizobia’, legumes form nodules on their roots (or stems, see figure below) to ‘fix’ nitrogen into a form usable by plants (and animals). The process of biological nitrogen fixation was discovered …