ABSTRACT This experiment at Donorojo village, Mertoyudan dio- trict Magelang regency. The soil type is grey alluvial, with altituds of 330 m above the sea level, the pli 5,0 con- ducted from April 1988 until Juli 1988. The purpose of the experiment was to study the effect of calciun done and method of inoculation which are given for several produktion of ground muct (Ara…