Talc,bagasse, cork compost, attapulgite, sepiolite, perlite ,pyrite,and amorphous silica are considered good carrier for different microbes..Many materials have been
evaluated, including dierent coals (Crawford and Berryhill,1983) bentonite, corn oil (Kremer and Peterson, 1983), mineral soils (Chao and Alexander, 1984), or vermiculite (Sparrow and Ham, 1983; Graham-Weiss et al., 1987). Polymers are also used.   _{Your Comment}