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Seed science pushes toward higher yields


At an open house at DuPont Pioneer’s Dallas Center Corn Research Center near Des Moines, Iowa, retired corn breeder Bill Ambrose marveled at the tools available today to do the job he did for nearly 40 years.

“We could do a few hundred things and they do mega thousands of things,” Ambrose said.

In his day, he said, much more was done by hand—a team of five might harvest 250 plots in a day, while now “these guys that work in this place here have got huge combines that they can harvest 250 plots an hour,” he said.

For decades now, farmers and seed scientists have seen yields improve. But they’re not satisfied. Fundamentally,...