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Bt cotton and sustainability of pesticide reductions in India

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  • Krishna, Vijesh V.
  • Qaim, Matin

Abstract

Studies from different countries show that transgenic Bacillus thuringiensis (Bt) crops can reduce chemical pesticide use with positive economic, environmental, and health effects. However, most of these studies build on cross-section survey data, so that longer term effects have not been analyzed. Bt resistance and secondary pest outbreaks may potentially reduce or eliminate the benefits over time, especially in developing countries where refuge strategies are often not implemented. Here, we use data from a unique panel survey of cotton farmers conducted in India between 2002 and 2008. Accounting for possible selection bias, we show that the Bt pesticide reducing effect has been sustainable. In spite of an increase in pesticide sprays against secondary pests, total pesticide use has decreased significantly over time. Bt has also reduced pesticide applications by non-Bt farmers. These results mitigate the concern that Bt technology would soon become obsolete in small farmer environments. The survey data on actual pesticide use in farmers’ fields complement previous entomological research.

Suggested Citation

  • Krishna, Vijesh V. & Qaim, Matin, 2012. "Bt cotton and sustainability of pesticide reductions in India," Agricultural Systems, Elsevier, vol. 107(C), pages 47-55.
    • Handle: RePEc:eee:agisys:v:107:y:2012:i:c:p:47-55
    DOI: 10.1016/j.agsy.2011.11.005
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    Cited by:

    1. Kouser, Shahzad & Qaim, Matin, 2012. "Valuing financial, health and environmental benefits of Bt cotton in Pakistan," 2012 Conference, August 18-24, 2012, Foz do Iguacu, Brazil 126544, International Association of Agricultural Economists.
    2. S.S. Kalamkar, 2013. "Biotechnology in Indian Agriculture: Review of Adoption and Performance of Bt Cotton," Millennial Asia, , vol. 4(2), pages 211-236, October.
    3. Ajay Thutupalli & Michiko Iizuka, 2016. "Catching-up in agricultural innovation: the case of Bacillus thuringiensis cotton in India," Industrial and Corporate Change, Oxford University Press and the Associazione ICC, vol. 25(6), pages 923-940.
    4. Qiao, Fangbin & Huang, Jikun & Wang, Xiaobing, 2017. "Fifteen Years of Bt Cotton in China: Results from Household Surveys," World Development, Elsevier, vol. 98(C), pages 351-359.
    5. Vijesh Krishna & Matin Qaim & David Zilberman, 2016. "Transgenic crops, production risk and agrobiodiversity," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 43(1), pages 137-164.
    6. Fangbin Qiao & Jikun Huang & Caiping Zhang, 2016. "The Sustainability of the Farm-level Impact of Bt Cotton in China," Journal of Agricultural Economics, Wiley Blackwell, vol. 67(3), pages 602-618, September.
    7. Islam, Abu Hayat, 2015. "Can Integrated Rice-Fish System Increase Welfare of the Marginalized Extreme Poor in Bangladesh? A DID Matching Approach," 2015 Conference, August 9-14, 2015, Milan, Italy 211792, International Association of Agricultural Economists.
    8. Birthal, Pratap S., 2013. "Application of Frontier Technologies for Agricultural Development," Indian Journal of Agricultural Economics, Indian Society of Agricultural Economics, vol. 68(1), pages 1-19.
    9. Matin Qaim, 2020. "Role of New Plant Breeding Technologies for Food Security and Sustainable Agricultural Development," Applied Economic Perspectives and Policy, John Wiley & Sons, vol. 42(2), pages 129-150, June.
    10. Paudel, G. & Krishna, V. & McDonald, A., 2018. "Why some inferior technologies succeed? Examining the diffusion and impacts of rotavator tillage in Nepal Terai," 2018 Conference, July 28-August 2, 2018, Vancouver, British Columbia 277149, International Association of Agricultural Economists.
    11. Chellattan Veettil, Prakashan & Krishna, Vijesh V. & Qaim, Matin, 2014. "Bt Cotton and Ecosystem Impacts of Pesticide Reductions," GlobalFood Discussion Papers 180977, Georg-August-Universitaet Goettingen, GlobalFood, Department of Agricultural Economics and Rural Development.
    12. Lee, Seungki & Moschini, GianCarlo & Perry, Edward D., 2023. "Genetically engineered varieties and applied pesticide toxicity in U.S. maize and soybeans: Heterogeneous and evolving impacts," Ecological Economics, Elsevier, vol. 211(C).
    13. Katharina Najork & Jonathan Friedrich & Markus Keck, 2022. "Bt cotton, pink bollworm, and the political economy of sociobiological obsolescence: insights from Telangana, India," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 39(3), pages 1007-1026, September.

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