By A Hilbeck; David Alan Andow
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Additional info for A case study of Bt Maize in Kenya
Surprisingly, labour expenditures did not parallel insecticide use patterns, even though insecticide application was one of the main labour costs of cotton production. In all 3 years, use of Bt cotton resulted in increased yield and reduced amounts of insecticide, although this reduction in insecticide use appeared to decline over time. , 2003). , 2006). Using an econometric model, the authors confirmed that farmers benefited substantially from Bt cotton during 1999–2001, having a higher net revenue of US$121/ ha.
South African Journal of Science 101, 7–9. G. M. (2002) The payoffs to transgenic field crops: an assessment of the evidence. AgBioForum 5(2), 43–50. , Regetz, J. and Kareiva, P. (2007) A meta-analysis of effects of Bt cotton and maize on non-target invertebrates. Science 316, 1475–1477. , Liu, X. N. (2003) Diversity of arthropod communities in transgenic Bt cotton and non-transgenic cotton agroecosystems. Environmental Entomology 32(2), 270–275. A. N. (2005) The influence of pesticide applications on Helicoverpa armigera Hubner and sucking pests in transgenic Bt cotton and nontransgenic cotton in China.
Eds) (2006a) Environmental Risk Assessment of Genetically Modified Organisms, Volume 2: Methodologies for Assessing Bt Cotton in Brazil. CAB International, Wallingford, UK. E. and Underwood, E. (2006b) Methodology to support non-target and biodiversity risk assessment. A. G. (eds) Environmental Risk Assessment of Genetically Modified Organisms, Volume 2: Methodologies for Assessing Bt Cotton in Brazil. CAB International, Wallingford, UK, pp. 108–132. L. and Kirsten, J. (2001) Genetically modified cotton in South Africa: the solution for rural development?
A case study of Bt Maize in Kenya by A Hilbeck; David Alan Andow