Typically, organic fertilisers are produced locally, from local wastes whose disposal otherwise represents costs, environmental pollution and greenhouse gas emissions. Organic fertilisers thus turn a costly and a harmful material into a resource. Furthermore, the use of organic fertilisers can reduce the costs and dependency of imported chemical fertilisers, whose production entails a high use of fossil energy. At present, due to the conflict in Europe, fossil-based energy is 3-4 times more costly than in the recent past due to the use of energy as a political weapon.
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