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Record W3049266429 · doi:10.22004/ag.econ.303740

How do pesticide retailers recommend pesticides to farmers in rural China?

2020· preprint· en· W3049266429 on OpenAlexaboutno aff
Zhongju Li, Ruifa Hu, Chao Zhang, Yankun Xiong, Kevin Chen

Bibliographic record

VenueAgEcon Search (University of Minnesota, USA) · 2020
Typepreprint
Languageen
FieldAgricultural and Biological Sciences
TopicInsect and Pesticide Research
Canadian institutionsnot available
FundersZhejiang UniversityCollege of Engineering, Michigan State UniversityNational Natural Science Foundation of ChinaMichigan State University
KeywordsPesticideBusinessGovernment (linguistics)Ordered probitAgricultureProbit modelChinaQuarter (Canadian coin)Agricultural scienceMultivariate probit modelAgricultural economicsMarketingEconomicsGeographyEnvironmental science

Abstract

fetched live from OpenAlex

Using survey data from 242 pesticide retailers, this study attempts to uncover how pesticide retailers in China make recommendations to farmers and identify influencing factors on those recommendations. Our data include a total of 586 recommendations to farmers about pesticide use from the 242 retailers. The study finds that, among approximate one quarter of the recommendations, the recommended types of pesticides cannot control the insects and diseases that affect farmers’ crops. Retailers typically recommend pesticide overuse more than appropriate use or underuse of pesticides. The Probit estimation results illustrates that government inspection, years in doing business, and information from government agricultural extension institutions are positively associated with the likelihood of retailers recommending the correct use of pesticide, while participation in technology training organized by pesticide firms reduces the likelihood of retailers recommending the correct use of pesticides. Furthermore, there is a positive association between having relatives who are pesticide retailers and the likelihood of retailers making recommendations of pesticide underuse, while there are negative associations between both being registered with the authorities and years in doing business with the likelihood of retailers making recommendations of pesticide overuse. Retailers in township seats and villages tend to recommend wrong pesticide types and excessive amounts of pesticides to farmers. Policy implications of the findings are then discussed.

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: Qualitative · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.134
Threshold uncertainty score0.266

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.003
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0010.002
Science and technology studies0.0010.000
Scholarly communication0.0010.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

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 head0.055
GPT teacher head0.257
Teacher spread0.202 · 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 designQualitative
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
Published2020
Admission routes1
Has abstractyes

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