ABSTRACT A research to study the influence of EM4 concentration and time of feeding KCl on growth and yield of radish (Rhapanus Sativus, L.) variety Hortensis had been done November 2003 until January 2004 in village Polobugo, Subdistrict Getasan, Kopeng, Salatiga, with altitude 880 meters. The type of soil is latosol with pH 6,5. The research use factorial method (3x3) with randomi…