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Record W4412864933 · doi:10.1016/j.cep.2025.110446

Enhancing sustainable agriculture through optimized polyculture hydroponic operating strategies

2025· article· en· W4412864933 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueChemical Engineering and Processing - Process Intensification · 2025
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicInnovations in Aquaponics and Hydroponics Systems
Canadian institutionsUniversity of Waterloo
FundersSocial Sciences and Humanities Research CouncilSocial Sciences and Humanities Research Council of CanadaUniversity of Waterloo
KeywordsPolycultureSustainable agricultureAgricultureAgricultural engineeringEnvironmental scienceAgronomyAgroforestryBusinessBiologyEngineeringFisheryEcologyAquacultureFish <Actinopterygii>

Abstract

fetched live from OpenAlex

This study develops an optimization framework to determine optimal operating strategies in monoculture and polyculture hydroponic systems considering uncertainty and disturbances. A key novelty of this work is the development of a polyculture hydroponic model incorporating interspecies nutrient interactions and dynamic environmental factors into the optimization problem, offering insights for system management and sustainability. A mechanistic nutrient uptake and growth model captures system dynamics and improves resource efficiency while accounting for parameter uncertainty and external disturbances to enhance system resilience. A case study of hydroponic polyculture soybean and tomato plants demonstrates the benefits of this approach. Results show that hydroponic systems increase yield by over 60% compared to traditional farming. Compared to monoculture hydroponics, polyculture methods reduce nitrogen consumption by 40% and increase annual profit by 3.91% per kilogram of fruit. These findings highlight the importance of nitrogen supply management and demonstrate how computational optimization can advance sustainable agriculture. • Hydroponic cultivation is a form of agricultural process intensification. • Polyculture systems offer interspecies benefits compared to monoculture systems. • Optimization framework determines optimal operating strategies under uncertainty. • Mechanistic nutrient uptake and growth models are used to capture system dynamics. • Case study of polyculture hydroponic system demonstrates improved sustainability.

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.

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)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.212
Threshold uncertainty score0.478

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
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 head0.008
GPT teacher head0.236
Teacher spread0.228 · 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