2021-10-132021-10-132021-05-17http://hdl.handle.net/10919/105292Container of calibration granules displayed on grass.Dimensions: 5184 x 3888Size: 15.75 MBimage/jpgenCreative Commons Attribution-NonCommercial 4.0 InternationalPesticide applicationcalibrationgranulesNontoxic calibration granulesImageVirginia Tech