Abstract
This article presents the basic principle of radio frequency (RF) and microwave heating and its application in agricultural sector specifically to control rice insects for storage purpose. Experiment findings of the past few years are highlighted according to the heating mechanism which influence the response of rice and insect exposed to the microwave field.
Highlights
Microwave heating has been considered to be one of the methods to control stored grain insects since early 20s[1]
According to a study conducted by two partners of Malaysia in rice industry, Malaysian Agricultural Research and Development Institute (MARDI) and Bernas, near 50% of the rice storage is damage caused by the insect i.e. rice weevils, known as bubuk or kutu beras in Malaysia
The current insects controlling methods involve the use of physical, biological and chemical methods but they come with several disadvantages such as it takes time to present the results, low precision in ability to control disinfestation of large volume of grain, much damage occur before the treatment is working and drawback of insecticide pests used in chemical method has grows attention in developing treatment method by using radio frequency (RF) and microwave heating method
Summary
Microwave heating has been considered to be one of the methods to control stored grain insects since early 20s[1]. The current insects controlling methods involve the use of physical, biological and chemical methods but they come with several disadvantages such as it takes time to present the results, low precision in ability to control disinfestation of large volume of grain, much damage occur before the treatment is working and drawback of insecticide pests used in chemical method has grows attention in developing treatment method by using radio frequency (RF) and microwave heating method This method has never been practically used in the industry and this paper will highlight the trial of experimenting this method in order to bring it into the industry for commercial purpose especially in controlling rice infestation
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