The disaster of Spodoptera frugiperda can reduce the yield of corn by 20% to 72%, causing a serious crisis to the 98% corn. Now the evolution of cotton, rice, peanuts, soybeans, potatoes, wheat, fruit trees and other important crops has caused a crisis. This is a design that converts Spodoptera frugiperda into feed. The device traps Spodoptera frugiperda by releasing a mixed attractant called "carenol acetate" and attracts them to come in groups. The hot airflow generated by the microwave components simultaneously generates negative pressure on the surrounding air to inhale Spodoptera frugiperda into the machine, and quickly gasifies the water in their bodies, and recycles the debris as fertilizer, feed or organic fuel.
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