The development of decision support system for the large Agricultural land plot of farmers in upper northern region. The conceptual research, and information system development. The data was the large agricultural land plot of farmers in upper northern region, that developed database and designed to facilitate data entry to have an efficiency and potential, that can be used more the utilization. The data show namely, the market price, production, cost of rice production harvesting production factor cultivation techniques community resources land use, etc. include, to provide information that supports decision making for cultivation, marketing and using information technology for currently grown rice.
The development of the systems consists of programming language, relational database and web server for database management. This developed system based on the development cycle of the water fall model system with visual basic is a programming language developed by Microsoft Sql Server 2017 that can create database.
The satisfaction questionnaires was applied to validate the systems. the results from 27 system users was shown that the satisfaction of the users was very high level (X = 3.93 SD = 0.47). A development system which means can be to work efficiently at a high level and applied to support the tasks.