Fernanda Amaral, coauthor and MU postdoctoral fellow, found that less dependence on nitrogen could start with a simple type of grass and its relationship with naturally occurring bacteria. Photo by Roger Meissen, Bond LSC
A radio tracer chamber at Brookhaven National Laboratory was used to test if Setaria viridis used nitrogen produced by bacteria. The scientists allowed only one leaf to contact the radioactive nitrogen, so they could ascertain its use. Photo by Fernanda Amaral