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Record W4416600679 · doi:10.1149/ma2025-02472319mtgabs

<i>(Invited)</i> Green Ammonia Applications: Opportunities and Challenges for on-Farm Adoption

2025· article· W4416600679 on OpenAlexaff
Sarah M. Garvey, Eric A. Davidson, Claudia Wagner‐Riddle, Adrian L. Collins, Matthew Houser, Tongzhe Li, Graham K. MacDonald, Mario Tenuta, David Kanter, Page Kyle, Nianqiang Wu, Kate A. Congreves, Yulei Wang, Laura Cardenas, Xin Zhang

Bibliographic record

VenueECS Meeting Abstracts · 2025
Typearticle
Language
FieldChemical Engineering
TopicAmmonia Synthesis and Nitrogen Reduction
Canadian institutionsUniversity of ManitobaMcGill UniversityUniversity of SaskatchewanUniversity of Guelph
Fundersnot available
KeywordsProduction (economics)FertilizerAgricultureAmmoniaAmmonia productionAgricultural productivityCapital cost

Abstract

fetched live from OpenAlex

Renewable-based ammonia production (hereafter, green ammonia) could present a transformative opportunity for agricultural systems, offering a pathway to decentralize and decarbonize fertilizer production. Modular green ammonia units that can be deployed on-farm are emerging around the world, with individual annual production capacities of 100 to 500 tonnes. Decentralized production is poised to increase ammonia availability and fertilizer accessibility, while decarbonizing production, lowering transport emissions, and enhancing farm resilience to supply chain disruptions. However, high capital and operating costs for modular green ammonia units, as well as access to water and renewable energy, pose significant adoption barriers for farmers. Safety concerns and mismatches between typical green ammonia products ( e.g., anhydrous ammonia) and existing fertilizer practices further complicate integration into the agricultural sector. Critically, widespread green ammonia availability could also risk fertilizer overuse, undermining environmental benefits associated with decarbonized ammonia production. This talk will explore opportunities, challenges and critical considerations for integrating green ammonia into agricultural systems.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Other design · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.817
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.001
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.051
GPT teacher head0.257
Teacher spread0.206 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designOther design
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

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