Minnesota Public Radio slideshow:
Minnesota farmers prepare for soybean rust
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These seedlings are part of a "sentinel" plot to help detect soybean rust. There are thousands of these types of plots in soybean growing states across the country. (MPR Photo/Tim Post)

These seedlings are part of a "sentinel" plot to help detect soybean rust. There are thousands of these types of plots in soybean growing states across the country.

(MPR Photo/Tim Post)
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