Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment.

@article{Clark2006FarmSE,
  title={Farm Scale Evaluations of spring-sown genetically modified herbicide-tolerant crops: a statistical assessment.},
  author={Suzanne J. Clark and Peter Rothery and J. N. Perry},
  journal={Proceedings. Biological sciences},
  year={2006},
  volume={273 1583},
  pages={237-43}
}
Primary results from the Farm Scale Evaluations (FSEs) of spring-sown genetically modified herbicide-tolerant crops were published in 2003. We provide a statistical assessment of the results for count data, addressing issues of sample size (n), efficiency, power, statistical significance, variability and model selection. Treatment effects were consistent between rare and abundant species. Coefficients of variation averaged 73% but varied widely. High variability in vegetation indicators was… CONTINUE READING

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