ABSTRACT This experiment was studied the effect of concentration and number of supply organic fertilizer Forest on the carrot (Daucus carota L.) yield. The experiment had been conducted at Kenanggan, Kaponan village, Pakis subdistrict, Magelang on October 1987 until January 1988. The altitude is 1200 metres above sea level, soil type is regosol and pH 5-6. The experiment was ar…