ABSTRACT The research about the effect of dose and time of applicat ion of SP- 36 on tomato yield (Lycopersicum ·sculentum, Mill } had been carried out February 4 urtil April 16 2003 at Candi Pekunden Village, Ngluwar istr i c , Magelang Regency, Java. The altitude is 400 m i r : , the s o il type is regosol, pH 6 ,5. The experiment uses factorial (3 x 3) with r a ndomi …