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Record W6950815062 · doi:10.5683/sp3/othkil

Studying the interaction of crop management practices and weather and the subsequent effect on nitrous oxide emissions, 2000-2005 [Canada]: Instrumentation and Plot History

2012· dataset· en· W6950815062 on OpenAlexafffundabout

Bibliographic record

VenueBorealis · 2012
Typedataset
Languageen
FieldAgricultural and Biological Sciences
TopicAnimal Nutrition and Physiology
Canadian institutionsUniversity of Guelph
FundersOntario Ministry of Agriculture, Food and Rural Affairs
KeywordsNitrous oxideInstrumentation (computer programming)Crop yieldCropNitrogenWater contentAgricultureRow crop

Abstract

fetched live from OpenAlex

This project involves the measurement of nitrous oxide fluxes from agricultural sources focussing on the interaction of crop management practices and weather and the subsequent effect on nitrous oxide emissions. The objective of this study were (1) to evaluate the magnitude of nitrous oxide emissions reduction due to best management practices in comparison to conventional management practices and (2) to study the seasonal variability in reduction of emissions due to the interaction between management and weather. This dataset is part of a long-term assessment measuring nitrous oxide emissions over a five year period (2000-2005). The data was collected within four experimental plots located at the Elora Research Station in Southern Ontario, Canada. Experimental plots consisted of two management systems: conventional practice (plots 1 and 4) and best management practice (plots 2 and 3). Data collected consists of meteorological data including vector data, crop height, crop yield measurements, plant matter and soil mineral nitrogen accumulations, nitrous oxide flux, soil bulk density, soil moisture content, soil temperature, as well as auxillary data including plot description/history information and instrument placement (i.e. placement and height).This study includes only information regarding experimental plot history and instrumentation including placement and measurements.

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 machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.003
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Dataset · Consensus signal: Dataset
Teacher disagreement score0.028
Threshold uncertainty score0.093

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0020.007
Science and technology studies0.0010.000
Scholarly communication0.0010.000
Open science0.0020.001
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0030.002

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 head0.030
GPT teacher head0.256
Teacher spread0.226 · 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 source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designNot applicable
Domainnot available
GenreDataset

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
Published2012
Admission routes3
Has abstractyes

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