RANDY CLARK / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY RANDY CLARK / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY
Azucena rice research. Azucena rice is an upland cultivated variety. Here, it is being grown in a growth cylinder system used to capture the dynamic growth of root systems in three dimensions. This research is being carried out by the Agricultural Research Service (ARS) of the US Department of Agriculture. Photographed in the USA.
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