ABSTRACT The research entitled The Dose Effect of Champignon Mushroom Trash Media on Yeild of Manv Varieties of Chili (Capsicum annum), had been done since April 19 to September 6, 1999 at Manggisan Baru Mudal Village, Mojotengah District, Wonosobo Regency. The aim of this research is to know the dose of champignon mushroom trash media to give optimum yeild on varieties of chili. …