The idea was conceived in the Westland region, the epicentre of fruit and vegetable growers in the Netherlands. The useful application of plant residue flows from tomato, pepper and cucumber crops, for instance, had been an item of discussion for some time. Once a year, the tomato plant residue flow becomes available in large quantities from the growers and is composted. However, it has now become possible to not compost these plants but to turn them into a valuable raw material that, in combination with waste paper fibres, can be processed into solid board. This solid board enriched with tomato plant fibres has also become part of the paper recycling chain.