ABSTRACT The experiment of the effect of time of application and donage NPK 15-15-15 to the yield of Kidney bean (Phaseolus vulgaris L.) was carried out at Kedungsari Village, Sub District North Magelang, Magelang City, from 28 Mei 1991 un- til 4 Agustus 1991. The soil type was Latosol, the soil pil 6,7 with an altitude of 380 metres. The experiment design used was Split Plot Desi…