Person: Wendy & Doug Johson

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Neonicotinoid seed treatments in
soybean production are ubiquitous but
recent evidence has called their benefit
to yields and their ecological impact
into question.
• Farmer-cooperators compared soybean
yields from soybeans of the same variety
grown from neonicotinoid-treated
seeds and seeds not treated with a
neonicotinoid.
KEY FINDINGS
• At each location, there was no measured
effect of seed treatment on
soybean yield.
• Furthermore, the economic practicality
of neonicotinoid seed treatments
can be questioned given the lack of
measured yield benefit.

December 6, 2014 

RESEARCH REPORT