Crop physiologist Larry Purcell’s research at the University of Arkansas focuses mostly on soybeans. Lately that means studying “how we can utilize the resources of light, water and nutrients more efficiently through crop management and genetic differences among lines.”
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Another research project involves the possibility of eventually developing a smart phone app that provides a reading of “corn leaf nitrogen concentration just by taking a photograph."
CORN PLANTS IN Larry Purcell’s field experiment silhouetted against a pink piece of plywood with color calibration disks. The redder photo has been run through software analysis for color.
CORN PLANTS IN Larry Purcell’s field experiment silhouetted against a pink piece of plywood with color calibration disks.
LARRY PURCELL, University of Arkansas researcher, examines a non-nodulating soybean genotype used for research experiments to determine the amount of nitrogen in soybeans that is derived from the soil or from N2 fixation.
RYAN VAN ROEKEL, University of Arkansas graduate student, stands in front of maximum yield test plots in Fayetteville in 2011. To put things in scale, Van Roekel is about six feet four inches tall.
QUICKLY-WILTING SOYBEANS (foreground) and slow-wilting (background) soybean genotypes grown at Stuttgart, Ark., under drought conditions.