Agricultural products are diversified, complicated and the machine mechanism should adapt to physical properties and cultivation methods biologically. Automation and mechanization technology in agricultural and plantation industry is still new. The application of computer, mechatronics and machines for agricultural production has been one of the outstanding developments in Malaysian agriculture. This book describes on the recent research at Malaysian public university on the uses of computer and electronics towards machines for the agricultural operations. This book consists of four research articles on application of computer and electronic in agriculture. The first project describes on the stages of design, fabrication and testing for the development of stand alone agriculture machine of dioscorine removal system. Second project introduced the development of a real time automatic temperature and relative humidity control system in the lowland tropical greenhouse by using a micro-controller. The third project was the on-line automated weedicide sprayer system and the fourth project describes on the Computer-controlled system for autonomous tractor in agricultural application.