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 ...

The nitrogen cycle steps are kind of like a currency exchange ... Legumes like peas, clover and peanuts have little nodules ...

Overuse of these chemical fertilizers has led to an upset in the nitrogen cycle and consequently ... the host plant’s root system and cause the roots to form nodules to house the bacteria ...

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 ...