ABSTRACT An research enfitled the effect of ridomil MZ and the cultivate nitrogen dose to intensity leaf rott disease and yield on tomato plants (Lycopersicum esculentum Mill) intan variety had bean carried out from Januari 16 until March, 1995. The experiment is located at Kedungsari, north Magelang subedistrict, Central Java the altitude is about 380 m, on latosol soil with pH 6,0. T…