ABSTRACT The research is aimed to study the effect of liming done on gambut soil on yeild soybeen (Glycine max L. MEAR). The research had been conducted in the plastic tun- nel in Janbewangi Village, Secang District, Magelang Re- gency, Central Java Propince. The altitude is 380 metres above sea level.The research was from August 18th, 1997 ustil November 14th 1997. The …