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Abstract, ResearchGate, 2017

Dry climate areas have reduced availability of organic waste − an obvious disadvantage for biogas production. This obstacle can be overcome by developing energy crops well adapted to arid areas. In this context, opuntias − among them, Opuntia cus-indica (L.) Mill. − characterized by crassulacean acid metabolism (CAM), are recommended as an alternative energy source as they have a high potential for biomass production (García de Cortázar and Nobel, 1992; García de Cortázar and Varnero, 1995). Farmers can thus reduce their  electricity and gas bills (liqueed petroleum gas, LPG) by producing their own energy, while improving the quality and conditions of the soil by applying the digestate to the elds.