Biogas plants do not solve the serious problems of pig farming

Spain: Every day, every week, new pig production centers are opening. With the modification of the family law in Aragon, a greater number of pigs per facility is favored and the distance between the large-scale pig farms will be less than one kilometer, according to the previous regulations. Now, there is a proposal that the Nitrates Directive allow 250 kg of manure per hectare, which is 50% more. The state of nitrate excesses in Spain and in Aragon The central government has made calculations comparing agricultural crops and, on the other hand, the nitrogen generated by the slurry from Spain's large-scale pig farms and deduces that at least 10% of the nitrogen from this slurry is more than enough to fertilize all agricultural spaces, without taking into account the mineral fertilizers that are used. Aragon, which is at the top of pig farming in Spain and Europe, it is logical to think that the 10% excess is much higher. The Government of Aragon, which should have these ...