Muhammad Darmawan, RPL.01.01.21.295. Agricultural extension plan for the use of organic chicken manureAfertilizer to increase the growth of cornA(Zea mays) plants in Buntu Pane District, Asahan Regency. The purpose of this extension design is to determine theAuse of organic chicken manure fertilizer, develop an extension design, and determine the level of acceptance of the design for the extension of the use of organic chicken manure fertilizer to increase the growth of corn (Zea mays) plants in Buntu Pane District, Asahan Regency. This extension plan was implemented in Buntu Pane District, Asahan Regency from August to September 2023. TheAdata collection method is the observation and interview methodAusing a questionnaire which has been tested forAvalidity and reliability, whileathe data analysis method uses a LikertAscale. The results of the study show that the percentage increase in farmers' knowledge is quite high, namely 75.92%, while the level of farmer acceptance of the extension design with the variables goals, targets, media materials and extension methods is very high, namely 83%.