THE excretion of nitrogen compounds from leguminous root nodules which has been demonstrated in this laboratory with a sterile culture system and, from the practical point of view, investigated ...

Since the mid-1900s, humans have been exerting an ever-increasing impact on the global nitrogen cycle ... into the root and trigger the process of nitrogen fixation in nodules that form on ...

Root nodules are organs on plant roots that facilitate the symbiotic relationship. Rhizobia colonize these nodules and fix ...

Nodules on the roots of peas and beans help the plant to secure its own nitrogen, reducing the need for artificial fertiliser. Professor Giles Oldroyd's group is researching how this could be ...