A decade of Bt cotton in Chinese fields: Assessing the direct effects and indirect externalities of Bt cotton adoption in China
Abstract
The objective of this study is to examine whether or not the gains from reduced spraying for bollworms are being sustained more than one decade after the initial adoption in 2007. Based on farm-level data collected by the authors in 1999-2007 in 16 villages from 4 provinces, this study shows that insecticides applied for controlling bollworms have declined. This analysis supports Chinese policy makers' decision to not require refuges of non-Bt cotton fields. It also suggests that past studies may have underestimated the benefits from adopting Bt technology.
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- Authors
- Huang, J., Mi, J., Lin, H., Wang, Z., Chen, R., Hu, R., Rozelle, S., & Pray, C.
- Affiliations
- Chinese Academy of Sciences (CN)
- Stanford University (US)
- Rutgers, The State University of New Jersey (US)
- Corresponding author
- Huang, JiKun
- Venue
- Science China Life Sciences
- Published
- 2010-08
- Volume
- 53
- Issue
- 8
- Pages
- 981-991
- ISSN
- 1674-7305 (ISSN-L)
- 1869-1889
- OpenAlex
- W2013768123
- Cited by
- 89
- References
- 22
- Citations by year
- 2026: 2 · 2025: 4 · 2024: 5 · 2023: 4 · 2022: 2 · 2021: 3 · 2020: 2 · 2019: 5 · 2018: 8 · 2017: 11 · 2016: 10 · 2015: 11 · 2014: 6 · 2013: 8 · 2012: 3
- FWCI
- 6.14
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Science China Life Sciences (publishedVersion)
- PubMed (publishedVersion)
- Institute of Geographic Sciences and Natural Resources Research, CAS Institutional Repository (submittedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Plant Science › Genetically Modified Organisms Research
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Insect Resistance and Genetics
- Life Sciences › Agricultural and Biological Sciences › General Agricultural and Biological Sciences › Agricultural Innovations and Practices
- Keywords
- Bt cotton, bollworm control, insecticide reduction, technology adoption, agricultural externalities
- MeSH terms
- Bacillus thuringiensis, Bacterial Toxins, China, Gossypium, Insecticides
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
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