Syngenta Seeds' head of commercial agronomy, Justin Welch, laid out a decision-science framework for 2027 cropping plans in the latest episode of Brownfield Ag News' "Digging into Innovation" podcast, released as harvest continues across much of the Corn Belt.

How does Welch define decision science?

In the episode, Welch tells Brownfield listeners that the data generated by combines rolling through corn and soybean fields this fall — yield maps, moisture logs, application records and tissue test results — should feed directly into seed, fertilizer and rotation choices for next year rather than sit in separate files. He describes the harvest window as the data-collection phase of planning, with the period between the last load off the field and seed-book sign-ups serving as the analysis window.

Decision science, in Welch's usage, means structured comparisons of seed, fertilizer, fungicide and rotation choices against yield, cost and risk data, rather than reliance on last year's plan. He frames the method as a discipline: define the question, identify the data that answers it, and weigh the economic outcome before committing capital. Welch told Brownfield Ag News that the goal is not to replace a grower's judgment but to give it a tested baseline.

He walks growers through pairing each decision — which hybrid to plant, how much nitrogen to apply, whether to invest in fungicide or foliar protection, where to install tile — with the harvest and input records that test whether the choice paid off the prior season.

What is Welch's role at Syngenta Seeds?

Welch leads commercial agronomy at Syngenta Seeds, the seed business of Basel-based Syngenta Group, which competes with Bayer Crop Science, Corteva and BASF across the North American corn and soybean seed market. His responsibilities cover the agronomic support that travels with the company's seed catalog, including hybrid placement guidance and the digital tools retail sellers use with growers. The role places him at the intersection of the company's breeding pipeline and the retail channel that places hybrids on farm fields.

What changes for retailers and cooperatives?

For ag retailers and cooperatives selling seed and fertilizer against this fall's results, the implication is that 2026-27 programs will increasingly be negotiated against measurable field records rather than blanket early-order discounts. Welch argues growers who arrive at those conversations with ranked scenarios rather than a single plan will see clearer margins on hybrid and trait choices, nitrogen rates, fungicide applications and lime or drainage work. Retailers that can run those comparisons alongside a grower — using the season's yield monitor files and tissue test results — gain an advantage in pricing hybrid and trait packages, he said.

Why does the timing matter?

The Corn Belt harvest backdrop shapes the urgency. Brownfield Ag News released the episode while combines continue across the region, with farm-level yield reports pointing to field-by-field variability. Welch treats that variability as the reason structured planning beats a fixed rotation copied from the prior year. Harvest data, in his framing, is the raw input that lets a grower rank alternatives by expected margin rather than by habit.

The "Digging into Innovation" episode with Welch is available on the Brownfield Ag News website. As more growers close harvest over the next several weeks, Welch's framework puts pressure on seed sellers and crop-protection retailers to walk customers through record-based comparisons before early-order deadlines expire.