ABSTRACT The experiment to know the effect of prunning age and dose of SP-36 fertilizer on yield of cucumber (Cucumis sativus L.) had been carried out since 10 March until 9 June 1997 at Girikulon village, Secang distric, Magelang regency. The soil type is lathosol with pH 6,5 and altitude 380 me- ters above sea level. The method used is factorial experiment (3x3) wit…