ABSTRACT The obyective of this experiment is to know the influence of rate of potassium and manure (dung buffalo manure) on production of sweet corn (Zea mays saccharata) variety Honey Jean (F1 Hybrid). This experiment W88 carried out at Tidar Village, Magelang South District, Magelang city from 30 July until October 8, 1987. The soil type is latosol, pH 6, the altitude is 343 meters. …