Good Food for Cities

Webinar on the benefits, myths and opportunities of the use of biol

February 16, 2024
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Join us on Tuesday 27 February at 09:30 (GMT -5) for a virtual seminar on the benefits, myths and opportunities of the use of biol! This event is part of the "State of Knowledge and Use of Bioinputs in the Andes", a research project developed by the University of Michigan and Rikolto, with support from the McKnight Foundation.

The project is part of the Global Collaboration for Resilient Food Systems - formerly known as the Collaborative Crop Research Programme (CCRP).

Don't miss this opportunity to:

  • Scientific insights: Get the latest research on the formulation, properties and use of biols, presented by experts.
  • Practical perspectives: Hear from practitioners and growers about their experiences of using biols in the field.
  • Open discussion: Share your questions and debate the potential and challenges of biols.
Register here!

Session outline:

9:30 AM - Participants check-in.

9:35 AM - Opening remarks - Mariela Wismann, Rikolto and Rémi Thinard.

9:40 AM - Presentation of project results - Brendan O'Neill, University of Michigan, and Vanesa Ramos, Rikolto.

10:05 AM - Feedback from the Scientific Committee - Steven Vanek, Colorado State University, and Juanfran López, Living Agriculture - Spain.

10:20 AM - Q&A with participants

10:40 AM - Panel discussion: Conclusions and recommendations

11:00 Closing remarks

Moderator: Marcia Zavala, Communications Manager for Central America at Rikolto

  • This event will be held in Spanish. Simultaneous translation into English will be provided.
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Passionate about the use of bioles?

Discover and share the podcast episode "Bioles: the secret of soil and agriculture in the Andean region", currently available in Spanish.

Check out the mini-guide

Currently available in Spanish only, based on the study 'Review of the state of knowledge and use of liquid ferments and biols in the Andes'. This guide takes you step by step through the process of using bioles.

Download your copy.

  • If you have any questions regarding this event or how to register, please feel free to email Carla Giusti at
  • If you have any questions about this research project, please do not hesitate to send an email to Vanesa Ramos, one of the members of the project team, at

About the project

Effective agro-ecological techniques to improve soil nutrient management are of crucial importance for resource-limited smallholder farmers in the Andean smallholder farmers, where nutrient recycling is critical for soil health, to prevent soil degradation and to buffer against climate and weather extremes. The addition of bio-inputs, such as liquid manure fermentation (biol), is widely promoted in the Andes to improve crop vigour, reduce frost damage, control pests and improve soil quality. Despite its widespread use, there is little systematic information on the variety of liquid bio-inputs, their preparation, properties or effectiveness.

Rikolto and the University of Michigan developed this research to fill this knowledge gap and understand the utility of fermented liquid inputs in agroecological practices in the Andean context. It is expected that the results generated will reach smallholder farmers, practitioners, policy makers, civil society and the scientific community.

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