ABSTRACT A research is to study the effect of crop population a kinds of manure on growth and yield of potato (Solanuw tuberosus. L.) var Granola. The research was conducted from 4 December 1987 to February 1998 in Kledung, District of Parakan. Temanggung Regency, Central Java. The altitude is 1.300 meters. The method is factorial (3x4) experiment in randomized completed block desig…