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2013 corn field, overlaid with Miller’s zone map.

By Fort Collins Science Center
The image above shows a 2013 corn field, overlaid with Miller’s zone map. Zone 31 is the best soil followed by 32 then 33, 13, 1
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The image above shows a 2013 corn field, overlaid with Miller’s zone map. Zone 31 is the best soil followed by 32 then 33, 13, 12 for corn productivity. Image courtesy of Jason Miller (2014).

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