Traditional disease severity monitoring is subjective and inefficient. This study employs a Parrot multispectral sensor mounted on an unmanned aerial vehicle (UAV) to apply machine learning algorithms. such as random forest. for categorizing defoliation levels in R7-stage soybean plants. https://www.roneverhart.com/Procharger-Supercharger-Kit-Dodge-Ram-5-7L-Hemi-1500-2009-2010/