Agri-food waste valorisation gains attention at EIMA 2026
Agricultural and food-processing residues are increasingly being recognised as resources for producing biofertilisers and soil improvers
Agri-food waste valorisation offers a way to recover nutrients and organic matter from production residues, creating alternative agricultural inputs while reducing disposal. Converting residual biomass into commercially viable products, however, requires suitable processing technologies, effective supply chains and collaboration across the food and agricultural sectors.
The potential of waste valorisation came into focus at EIMA International 2026 in Bologna, Italy, where a workshop under the European DeliSoil project examined ways to convert agri-food by-products into useful agricultural products.
Held on 12 November, the third day of the agricultural machinery exhibition, the session titled ‘Biofertilisers from Residual Biomass’ brought together researchers, businesses and industry stakeholders to examine technological developments and practical approaches to resource recovery.
The event took place as part of DeliSoil, with the Italian Biomass Association (ITABIA), the Italian National Interuniversity Consortium for Environmental Sciences (CINSA) and the Italian National Agency for New Technologies, Energy and Sustainable Economic Development (ENEA) among the organisations involved.
Turning agri-food by-products into soil resources
The workshop covered different stages of the by-product value chain, from residue collection and processing to the production of soil improvers, biofertilisers and other agricultural products.
Discussions also addressed circular business models involving farms, food-processing companies and businesses in the bioeconomy sector. Stronger links between residue producers and processing businesses can help establish reliable supply chains and create routes for recovered materials to enter agricultural markets.
Recovering nutrients from food-processing residues also offers a way to diversify the sources of agricultural inputs while making better use of organic resources already available within food production systems.
DeliSoil advances circular approaches to soil improvement
The workshop provided an opportunity to share progress from DeliSoil, a Horizon Europe project running from June 2023 to May 2027. The initiative aims to develop safe, sustainable and tailored soil improvers by recovering and processing residues from food production. DeliSoil follows a multi-actor approach, bringing together stakeholders across five regional Living Labs to develop and test soil improvers made from food-processing by-products.
One area highlighted at EIMA was the conversion of residual biomass into biochar. Used as a soil amendment, biochar can improve soil properties and contribute to carbon storage, providing an additional application for organic materials that might otherwise be discarded.
Companies and start-ups also presented waste valorisation and nutrient recovery solutions, illustrating how research and technological innovation can translate into commercial applications.
Commercial cooperation remains essential for wider adoption
The workshop's closing roundtable focused on the economic and organisational challenges involved in bringing circular practices into wider use.
Participants considered barriers to adoption and the need for closer coordination between research institutions, businesses and public authorities. Beyond processing technology, wider implementation depends on commercially viable models, consistent access to residual materials and clear routes to market for the resulting products.
For farmers and food-processing businesses, investment decisions will also depend on the practical and economic performance of recovered soil inputs compared with existing alternatives.
Circular resource management can support healthier soils
The developments presented at EIMA 2026 highlighted the potential to connect food-industry waste recovery with agricultural soil management.
For projects such as DeliSoil, the wider opportunity lies in recovering nutrients and organic matter that can contribute to soil improvement while diversifying the range of agricultural inputs. Results from the project's five Living Labs will help assess the agronomic performance, environmental suitability and practical application of recycled soil improvers as the initiative moves towards completion in 2027.