ABSTRACT The experiment by the object of investigating the in- fluence of sort of stimulus substance and plant spacing to the growth and yield of soybean (Glycine max (L.) Merrill) was carried out at Village of Butuh, Sub District of Sa- wangan, District of Magelang, Province of Central Java fron 31 July 1987 until 14 November 1987. The soil type was Re- gonol, the soil pH was 6,2 th…