The research of the effect of dosages OST fertilizer to the variety of plant of soy bean (Glycine max L. Merrill) to three varieties are of Wilis, Tidar and Merbabu, the treat- ment of dosages OST fertilizer, there were non fertilizer, 23, 46 and 69 gram/ polybag. The research was carried out at Kedungsari village, Ma- gelang subdistrict, Magelang regency, Central Java Province. The altidute…