Fwd: Meet Dr. David Johnson, Co-Inventor, Johnson-Su Composting Bioreactor & Soil4Climate Birthday Celebration Guest
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Seth Itzkan
Aug 7, 2022, 3:39:39 PM8/7/22
to Soil Age
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Meet Dr. David Johnson, Co-Inventor, Johnson-Su Composting Bioreactor & Soil4Climate Birthday Celebration Guest
Hi Friends,
Please join us tomorrow, Monday, August 8, for our discussion with soil-carbon accrual legend, Dr. David Johnson, co-inventor of the Johnson-Su Composting Bioreactor and lead author of an important new paper on AMP grazing. The discussion will be on Zoom and streamed into the Soil4Climate FB group. Additional info is below. Thank you, - Seth
3:00 PM EDT / UTC-4 https://soil4climate-org.zoom.us/j/85781104177 (and streamed to the Soil4Climate Facebook group)
About Dr. David Johnson
Dr. David Johnson is a molecular biologist at the Institute for Sustainable Agricultural Research at New Mexico State University, an Adjunct Professor at the Center for Regenerative Agriculture and Resilient Systems at California State University, Chico, CA, and a collaborating scientist with the United State’s Department of Agriculture’s Natural Resources Conservation Service. His work explores paths to improve food security, reduce atmospheric carbon dioxide, and increase productivity and profitability through the development of beneficial soil microbial communities in farm and rangeland soils. Dr. Johnson is co-inventors with his science collaborator and wife, Hui-Chun Su Johnson, of the Johnson-Su Composting Bioreactor. The invention allows for more biologically enhanced compost at much less the cost and energy requirement of conventional methods. By providing a non-disruptive aeration system, fungal communities can thrive resulting in higher soil fertility and crops yields once applied. Additionally, Dr. Johnson is lead author on a breakthrough paper in Peer Journal, titled “Adaptive multi-paddock grazing management’s influence on soil food web community structure for: increasing pasture forage production, soil organic carbon, and reducing soil respiration rates in southeastern USA ranches.” This paper finds that Adaptive Multi-Paddock (AMP) grazing - a common academic terminology for what is in fact, Holistic Planned Grazing - out performed conventional grazing systems in numerous important measures, including standing crop biomass, pasture photosynthetic capacity, fungal to bacterial ratio, soil carbon accrual, and CO2 respiration reduction. In fact, regarding the latter two measures, Dr. Johnson’s research shows if AMP grazing were applied on grasslands and savannas globally, the net yearly atmospheric CO2 load would be reduced by about 6.6 billion tons, or 18% of the total.
Institute for Sustainable Agricultural Research
Center for Regenerative Agriculture and Resilient Systems
Johnson-Su Composting Bioreactor
Paper: Adaptive multi-paddock grazing management’s influence on soil food web community structure for: increasing pasture forage production, soil organic carbon, and reducing soil respiration rates in southeastern USA ranches.
Adaptive Multi-Paddock (AMP) grazing
Holistic Planned Grazing
Seth J. Itzkan
Cofounder, Soil4Climate Inc.
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