Fuente: WIPO "organic farming" Spores, conidia and cells of facultative aerobic/anaerobic micro-organisms, deprived of the free water to such a rate to stop or to strongly reduce their, metabolism, without however reducing their survival, may be formulated with vegetal oil, natural phospholipids and optionally, but not necessarily, with a natural surfactant so as to obtain formulates with long preservation, and perfectly emulsifiable in water.