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ISSUE #16  |  April 29, 2020
THE ORGANICS RECYCLING AUTHORITY
IN THIS ISSUE
 
AgSTAR’s New Digester Project Development Handbook
By Nick Elger and Vanessa McKinney

For 26 years, the United States Environmental Protection Agency (US EPA) AgSTAR Program has been helping farmers and communities across the United States develop and implement anaerobic digestion (AD) biogas systems. These systems are critical to reduce methane emissions from manure management operations, while also providing other environmental and economic benefits. As a trusted partnership program, AgSTAR helps educate the public on best practices for designing, implementing and maintaining digester projects and brings together leading experts to discuss opportunities and challenges for advancing the biogas industry.

 

AgSTAR’s newest resource, the Anaerobic Digester Project Development Handbook, is a comprehensive compilation of the latest knowledge in the industry on best practices for AD/ biogas systems. The goal of the Handbook is to ensure long-term project success for AD biogas systems by providing background and a framework for AD project development.

Draft Soil Enrichment Protocol Incentivizes Carbon Storage

The Climate Action Reserve (CAR) released a first draft of its new Soil Enrichment Protocol (SEP) on April 17th that gives carbon credits for regenerative farming practices.

Letter From Scotland: COVID-19 Impact
On AD Sector

Robin Szmidt, Director of Target Renewables, writes the BioCycle Community from his home in Scotland:

As the COVID-19 crisis continues, the impact on the United Kingdom’s (UK) waste industry and the organics sector in particular is becoming a little clearer.  The UK was hit seriously by COVID in early March with lockdown being put in place nationwide on March 23rd.

EPA Food Recovery Challenge Awards

The U.S. Environmental Protection Agency announced the winners — both nationally and by EPA Region — of its 2019 Food Recovery Challenge (FRC) winners.

 
Too Much Nitrogen To Eat


We’ve gone from famine to feast in terms of providing nutrients to help plants grow. Back in the day we had to stoop to raiding caves for bird poop (guano), or collecting our own poop (night soil) to make sure our plants didn’t go hungry. Now, too often we rely on the equivalent of a fast food menu. You have your choice of MAP or DAP (mono or di-ammonium phosphate). Both are nice looking crystals and it is very easy to supersize. Farmers applying excess quantities of MAP and DAP are now a big problem.
 

Drawdown has included nutrients, specifically nitrogen management, on the list of tools to reduce carbon dioxide (CO2) concentrations in the atmosphere. It points out that overuse of nitrogen fertilizers has resulted in high emissions of nitrous oxide (N2O), a really potent greenhouse gas with 296 times the warming potential of CO2. By reducing use of excess fertilizer, these emissions could be reduced by 2.3 to 12.1 gigatons of CO2. Plus, farmers could save money because buying MAP or DAP isn’t cheap. Instead of over applying fertilizer they recommend that you stick to the 4Rs principle:

1. Right source — Use the right kind of fertilizer for your plants
2. Right time — Feed those plants when they’re hungry
3. Right place — Put that food where their roots can reach
4. Right rate — Choose the appropriate portion size

Comparison Of Compost Laboratory Results
Identical samples of two composts were sent to six labs for testing and analysis. Results highlight differences between using the national TMECC standards versus other test methods.
Successful Business Strategies For Codigestion At WRRFs
Report’s primary focus is on codigestion strategies that water resource recovery facilities can develop to create value, and to manage the associated financial risks.
Is Your Yard Trimmings Composting Site Food Waste Ready?
Community Toolkit walks municipal officials and facility operators through a series of considerations to determine if introducing food waste streams is a
good fit.
 
THE ORGANICS RECYCLING AUTHORITY
Founding Publisher
Jerome Goldstein

Editor
Nora Goldstein

Publisher
Rill Ann Goldstein Miller

Associate Publisher
Ina Pincus

Senior Editor
Craig Coker
Senior Adviser
Sally Brown, University Of Washington

Contributing Editors
Ana Carvalho, Peter Gorrie,
Michael H. Levin, Robert Spencer

Advertising Director
Teri Sorg-McManamon

Art Director
Doug Pinkerton

Administrative Assistant
Celeste Madtes
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