This paper is to develop Thai Rice Implantation Recommend system based on Android System. This application serves as an
important channel to support and provide the rice harvest information like how to cultivate, how to treatment of rice diseases and
how to know time alert period of crop protection for Thai farmers in central zone of Thailand. To evaluate the preliminary
prototype system, questionnaires were used to measure user satisfaction with system usability by experts and users. Experimental
results reveal that the system is well able to recommend rice harvest information both users and experts and this application can
be adapted to users easily due to the fact that the data is stored and available on mobile devices. Also the results were satisfied in
the effectiveness as well follows: Means for specialist and users were 4.00 and 4.01 respectively, and standard deviation for
specialists and users were 0.51 and 0.66 respectively.