Fuente: WIPO "organic farming" The present invention relates to a novel composition comprising potassium bicarbonate and at least one excipient selected from the anionic surfactants belonging to the taurate family, the excipient preferably being acceptable in terms of plant protection and/or preferably being substantially biosourced. The present invention also relates to the use of such a composition and to a method comprising the use of such a composition, for treating and/or protecting crops, preferably vines, cucurbitaceae, solanaceae (preferably potatoes) and any combination thereof; more preferably vines. The present invention further relates to a method for protecting and/or treating crops, comprising the application of such a composition to the crops to be protected and/or treated, wherein the crops are preferably vines, cucurbitaceae, solanaceae (preferably potatoes) and any combination thereof; more preferably vines.