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Halting Nutrient Runoff While Perfecting Fertility

With a focus on conservation, Rob Stout is aiming to keep nutrients in his Iowa soils and out of streams that feed into the Mississippi River.


KEEP IT GROWING. Rob Stout examines an ear of corn on his field in southeastern Iowa. The 30-year no-tiller has been focusing on feeding the corn crop with swine manure, at-plant fertility applications and sidedressing.


It’s a belief he put into practice before he adopted no-till and in the 30-plus years since. Today, his focus is not only on protecting his soil with no-till and cover crops, but also protecting local streams by filtering nitrates from his tile lines and perfecting the fertility program on his 1,100-acre corn-and-soybean operation in Washington, Iowa.

Equipment Evolution

Stout knew something had to change when a big spring rain event in 1979 resulted in some terrible erosion on his farm.

“We had a chisel plow and there was enough erosion that I didn’t like the looks of it, and thought we needed to change things,” Stout says.

But before making the jump to no-till in 1983, Stout wanted to observe how it went for other growers in the area and attended some local field days to investigate the practice.

“I don’t need to make every mistake, so I watched some neighbors and learned from them to see what was working,” he says.

Part of Stout’s success with no-till is tied to equipment improvements. His first no-till planter was just equipped with fluted coulters, but now Stout uses a Kinze 3600 with Martin row cleaners, Keeton seed firmers, Martin spading-closing wheels, Totally Tubulars and drag chains for his no-tilled corn. Stout’s soybean planter, a Kinze…

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Laura-allen_c

Laura Barrera

Laura Barrera is the former managing editor of No-Till Farmer and Conservation Tillage Guide magazines. Prior to joining No-Till Farmer, she served as an assistant editor for a greenhouse publication. Barrera holds a B.A. in magazine journalism from Ball State University.

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