Research aims to understand partnership system farmers penangkar seed rice UPT Balai Benih Pertanian (farming seed center) Barongan, know satisfaction farmers penangkar seed rice and the factors that affect satisfaction farmers penangkar seed rice in fatnership with UPT Balai seed agricultural Barongan. The number of respondents to research is 57 a person taken using a technique stratified random sampling or random decker the stratum area of land. Technique the data using observation, interviews and recording. This research result indicates that run patnership between the penangkar seed rice with UPT Balai Benih Pertanian (farming seed center) Barongan included in a partnership system cooperation oprasional agribusiness (KOA). Penangkar farmers seed as the raw material and have a guarantee of the prices and UPT Balai seed agriculture Barongan as production facilities and as market. Satisfaction farmers penangkar seed rice to partnership executed by UPT Balai Benih Pertanian (farming seed center) Barongan included in a category was satisfied with value a score is 43,39, satisfaction is highest on bail price with value a score of 4,84. Factors significant found in the land, experience training and surrounding environment. Faktors insignificant there are at the age of, education, experience in partnership and status land ownership.