ABSTRACT The research on the influence of concentration and frequency of application of Atonik to the growth and yield of peanut was conducted from April until July 1989, in Borobudur village, Magelang regency, on latosol soil, with pH 6.0, with altitude of 300 metres. The method used in this research was a factorial design,consisting of two treatment factors. Tre research based on the Radom…