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Cross-Border Learning in Action: trans4num and AMAIZE-P Explore Nature-Based Solutions in Denmark

From June 10–14, 2025, the coordination teams of trans4num and the AMAIZE-P research training group came together in Denmark for a joint field excursion focused on sustainable nutrient management, circular agriculture, and nature-based solutions (NBS).

This cross-project collaboration brought together doctoral researchers, postdocs, and coordinators from both initiatives—tran4num, which works on advancing nature-based nutrient strategies across Europe and China, and AMAIZE-P, a Sino-German project investigating phosphorus efficiency in maize-based food-feed-energy systems.

A Week of Exchange and Exploration

The excursion began in Viborg with presentations from PhD students and postdocs, offering an overview of research themes and setting the stage for a week of hands-on learning and dialogue.

Over the next four days, the group visited a variety of Danish innovation sites, each offering a unique perspective on how sustainable nutrient management can be implemented in practice:

Day 1: Kickoff and Knowledge Sharing

Initial presentations and introductions encouraged participants to identify common ground and explore synergies across disciplines and research areas. (LinkedIn post)

Day 2: Water & Nutrient Innovations in the Landscape

At the Nørreå Valley, participants explored a phosphorus filtration system that captures nutrient runoff before it reaches waterways, an elegant NBS tackling both soil health and water quality. (LinkedIn post)

Day 3: Organic Fertilisation & Bioenergy Innovation

Morning visits to ICOEL focused on plant-based fertilisers made from park waste and clover-grass rotations. The afternoon took the group to Ausumgaard, where protein extraction from clover and biogas production showcased circular, climate-smart agriculture in action. (LinkedIn post)

Day 4: Long-Term Lessons from Askov

The final field day offered deep insights from Askov Experimental Station: Denmark’s second-oldest research site where long-term trials on phosphorus, biochar, and recycled fertilisers illustrated the importance of soil data in shaping resilient agricultural systems. (LinkedIn post)

A Shared Vision for Agricultural Transformation

The field excursion concluded with a farewell dinner and left participants energized by the knowledge exchange. Survey feedback revealed:

  • 75% rated the overall experience as excellent, with 100% rating it excellent or good.
  • Participants were especially inspired by protein extraction from clover, the Askov long-term trials, and the phosphorus filtration system at Nørreå Valley.
  • 81% said the excursion changed their perspective on how nature-based solutions can be implemented in practice.

This feedback underscores the power of experiential learning and the value of interdisciplinary, international collaboration in advancing nature-based agricultural solutions.

     

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