ABSTRACT The research about the effect of concentration and kind of liquid organic fertilizer to the yield of corn (Zea mays 1. as baby corn, had been carried out since February 25 until May 5, 1993 at Kedungsari village, Potrobangsan sub district, Magelang regency, Central Java Province with an altitude of 380 m above sea level and the kind of soil is latosol, soil pH 6,5. …