From a Weed Science Society of America news release:
Glenn J. Evans, Robin R. Bellinder and Russell R. Hahn won an Outstanding Paper Award from the Weed Science Society of America for their paper in Weed Technology: An Evaluation of Two Novel Cultivation Tools. Evans is director of agricultural operations for the Cornell University Agricultural Experiment Station. Bellinder and Hahn work in research and extension at Cornell University. Evans is director of agricultural operations for the Cornell University Agricultural Experiment Station. Bellinder and Hahn work in research and extension at Cornell University.
The two novel tools are block and stirrup cultivators created by Evans. You can see them in action here: