Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops

A - Papers appearing in refereed journals

Rothery, P., Clark, S. J. and Perry, J. N. 2003. Design of the farm-scale evaluations of genetically modified herbicide-tolerant crops. Environmetrics. 14 (7), pp. 711-717. https://doi.org/10.1002/env.619

AuthorsRothery, P., Clark, S. J. and Perry, J. N.
Abstract

The Farm-Scale Evaluations (FSE) is a three-year experiment to study the effects on farmland wildlife of the commercial management of four genetically modified herbicide-tolerant (GMHT) crops-beet, maize, spring oil-seed rape and winter oil-seed rape. The experiment records abundance of a wide range of weed and invertebrates in the arable system. The FSE is a paired comparison arranged as a randomized block design with two treatments (GMHT and conventional crop management) and fields as blocks. The choice of the half-field as the experimental unit is based on field availability, the primary focus on the vegetation, the need to reduce variability and gains in sampling effort. Farms and fields are selected to reflect the range of geographical variation and farming intensity for each crop. A power analysis shows that using about 60 fields per crop over the three years will be sufficient to detect differences of ecological significance. Copyright (C) 2003 John Wiley Sons, Ltd.

KeywordsEnvironmental Sciences; Mathematics, Interdisciplinary Applications; Statistics & Probability
Year of Publication2003
JournalEnvironmetrics
Journal citation14 (7), pp. 711-717
Digital Object Identifier (DOI)https://doi.org/10.1002/env.619
Open accessPublished as non-open access
FunderBiotechnology and Biological Sciences Research Council
Funder project or code445
513
510
Collaborative statistical investigations into biological processes
PublisherWiley
ISSN1180-4009

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