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Sotirios Archontoulis

Associate Professor of Integrated Cropping Systems

at Iowa State University

Scientific Letter in Support of CIBO

December 29th, 2020
To whom it may concern

I am writing in support of the science-based modeling, and systems approach employed by CIBO Technology. I strongly support CIBO’s unique combination of:

  • Process-based crop modeling with the use of SALUS model for crop, carbon, and sustainability modeling at scale
  • Advanced satellite imagery for detection and quantification of crop type, growth stage, tillage practice, cover crops, and surface biomass residue
  • Big data and simulation analysis for evaluating the impact of weather, management, cultivars, and soils on yield, soil health, soil carbon sequestration, and greenhouse gas reduction.

As a model developer and user of process-based models, and as a scientist who is participating in multi-model intercomparisons and has dedicated most of my career to building/improving models, I can confirm that the scalable CIBO approach is proven as a valid scientific approach for quantifying soil carbon gains and losses and verifying reduction in greenhouse gas emissions in response to farmers’ management decisions.

Process-based models have been around for the last 30 years, have been extensively tested across environments while their application to address productivity, sustainability, and climate change questions have been exponentially increased over the last years according to the literature. I have extensive experience working with the CERES family crop model from which the crop growth and yield part of SALUS was developed. The SALUS model contains the latest science advances while its accuracy in simulating aspects of cropping systems has been confirmed in many publications from Prof. Bruno Basso as well as in AgMIP multi-model intercomparison activities.

The coupling of the robust SALUS process-based model with advanced satellite imagery and big data analysis makes CIBO Technologies a leader in agricultural assessments, creating a new, scientifically valid, agriculturally based carbon credit marketplace that supports regenerative agriculture and creates new opportunity for individuals and organizations to reduce their carbon footprint.

In summary, I strongly support this breakthrough application of the well-established scientific approach developed by Prof. Bruno Basso and the CIBO Team.


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Sotirios Archontoulis
Associate Professor of Integrated Cropping Systems

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