NOVELTY - An plant for improving the biodegradability of sources of organic matter, comprises: an entry for measuring and controlling flow, conductivity, pH, temperature, redox, and cavitation feature; a heating unit followed with a series of reactors arranged in series; a reactor cavitation-dispersion (7), which are dosed dispersants and whose output is connected to cavitation reactor rupture of membranes (8) in which a chemical oxidant is dosed, and whose output is connected with sterilization reactor (9).    USE - The plant and method are useful for improving the biodegradability of sources of organic matter (claimed).    ADVANTAGE - The plant efficiently allows to improve the biodegradability of organic matter, in order to subsequently produce biogas with high methane content.    DETAILED DESCRIPTION - An plant for improving the biodegradability of sources of organic matter, comprises: an entry for measuring and controlling flow, conductivity, pH, temperature, redox, and cavitation feature; a heating unit followed with a series of reactors arranged in series; a reactor cavitation-dispersion (7), which are dosed dispersants and whose output is connected to cavitation reactor rupture of membranes (8) in which a chemical oxidant is dosed, and whose output is connected with sterilization reactor (9), where all the reactors have high energy agitators friction-cavitation (10), and where the following unit is provided for heat recovery; and finally after the heat recovery is an acidification reactor. An INDEPENDENT CLAIM is included for a method for improving the biodegradability of sources of organic matter carried out in the plant, which involves: a step of supplying the feedstock by primary heating unit (2) based on a main exchanger in which the temperature of the material in process output will be used to preheat the material countercurrent new contribution; a step of using the unit for measurement and control comprising: a flow meter a spatial-light modulator (SLM)-vibrometer, sensors that provide information on conductivity, pH, temperature, redox, which help the system control; a step by warming secondary unit (6) in which an additional contribution is made to raise the temperature; a step for a series reactors equipped with agitators all high cavitation energy, comprising: a reactor or cavitation-dispersion (7) where and additive surfactant soda is dosed with antifouling (sequestering and auxiliaries); a cavitation reactor or breakage of membranes (8) where a chemical oxidant (chlorine dioxide) is dosed; a cavitation reactor or sterilization (9), where steam is metered and ozone, which ensures that there is a new shock oxidizing bacteria are dispersed and damaged, and osmotic and thermal shock provided with moisture vapor 3 bar; step by primary heating unit (2) where the heat input occurs stuff to try new entry from the contribution of the output material; a step by acidification reactor (11) computer where bacterial growth which produce hydrolysis, fermentation, causing biological acidification pH drops occur near 4.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a plant for improving the biodegradability of sources of organic matter.    Primary heating unit (2)    Secondary heating unit (2)    Cavitation-dispersion unit (7)    Cavitation reactor or breakage membranes (8)    Sterilization reactor (9)    Acidification reactor (11)