ABSTRACT The exsperiment of the effect of concentration and time of application of forest fertilizer on soybean (Glycine max (L.) Merrill), had carried aut in February until April 1989 at Kramat village, Nort Magelang District, Magelang city, Central Java, Latosol soil, soil pH 5,9, on altitude of 376 m. The purpose of the research is to know the effect of concentration …