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Scientists call for more access to biotech crop data
Date:4/24/2008

Tabashnik said, "It's a win-win situation. We analyze data they collect, so they can control pests better and make more money. It helps us obtain fundamental information about what's going on in the field that we could never get without them."

One of the UA's analyses showed that adoption of biotech cotton in Arizona helped to reduce insecticide use while sustaining yields.

Carrire, a UA professor of entomology who has done many of the analyses, said, "You have to protect the privacy of the farmers. We've done it in Arizona, so why not do it across the country?"

To start examining those questions in other parts of the U.S., the team of scientists call for the government to make available data it is already collecting.

At the present time, the team writes, the U.S. Department of Agriculture collects data at the scale of individual farms, but the data are only available to researchers at the scale of entire states. Answering key questions about the environmental impacts of genetically engineered crops requires finer spatial resolution.

"The analyses could be about quality of water, quality of soil, non-target effects, regional population density of pests and economic aspects such as yield improvement," said Carrire. "The findings could be useful to a wide range of people."

The U.S. Department of Agricultures National Agricultural Statistical Service annually collects data documenting acreage planted to various crops in all 50 states, the researchers write in their paper. In addition, the NASS annually interviews more than 125,000 farmers about their land use and the acreage planted in various biotech crops.

Tabashnik said, "We're already spending the money to have these data collected. Let's make them available in the right format for researchers to use. It would be a relatively inexpensive additional step with enormous scientific and public benefit."


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Contact: Mari N. Jensen
mnjensen@email.arizona.edu
520-626-9635
University of Arizona
Source:Eurekalert  

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