In its application, knowledge in implementation in the field that contains written knowledge (explicit) and also unwritten knowledge (tacit). Tacit and explicit knowledge is inherent in individuals managing OP reserve management. Explicit knowledge, in written form, is easier to share with others, compared to tacit knowledge which contains unwritten memories.
Management of knowledge that is important in land management. Infrastructure development must always coincide with human development because humans are both users and managers of irrigation systems. Research on knowledge management was conducted in the Lodoyo Irrigation Area (DI) which irrigates the land provided in Tulungagung and Blitar Districts, East Java Province. This research provides an agreement to discuss the knowledge between those who manage land and the rules provided.
Likert analysis of the results of interviews with the farmer management of the Water User Farmers Association (HIPPA) shows the importance and very important level of knowledge about operations and maintenance. The level of understanding of the operation and maintenance stage, HIPPA management discussed the lack of understanding.
Knowledge gaps are mostly caused by the lack or absence of records on the operation and maintenance. The stages of operation and maintenance at the HIPPA level are carried out based on the knowledge of farmers who have been honed for a long time. The weakness of tacit knowledge is not easy to transfer Knowledge gaps need to be discussed in various ways to document knowledge such as changing books, making repositories, to automating data collection and making decisions.