Some Midwest corn and soybean growers are converting portions of their fields back to native prairie grasses, and the practice is showing measurable production benefits, according to Dallas Glazik, a precision ag conservation specialist with Pheasants Forever who also farms in east central Illinois.

The technique, known as prairie strips, places bands of reconstructed native prairie inside working row-crop fields rather than along field edges alone. Glazik says the primary payoff for row-crop production comes through beneficial insects — pollinators and natural predators that the native plantings attract and support.

"We see the strips as a working part of the farming system, not land taken out of production," is the operational principle Glazik and other proponents apply as they position the practice with growers.

For farmers weighing the decision, the economics come down to a trade-off. Land occupied by prairie strips no longer produces corn or soybeans, but the surrounding acres can gain from the ecosystem services the strips provide. Beneficial insects supported by native plantings help with pollination and can suppress crop pests, reducing pressure that otherwise translates into input costs for growers.

Glazik speaks to the practice from both sides of the fence. As a Pheasants Forever precision ag conservation specialist, he works with row-crop producers on integrating conservation into their operations. As a farmer in east central Illinois — the heart of Corn Belt soybean and corn country — he manages the same trade-offs on his own ground.

Pheasants Forever, a conservation organization focused on upland habitat, has promoted prairie strips as part of its work with row-crop agriculture. The group pairs conservation planning with precision agriculture tools, using yield maps and other field data to identify low-performing acres where converting to native vegetation carries the smallest opportunity cost for the operator.

That targeting matters for farm margins. Acres that consistently yield below a field's average often lose money once input costs are counted. Shifting those acres to prairie vegetation can cut fertilizer, seed and chemical spending on marginal ground while the remaining higher-producing acres gain the agronomic benefits the strips generate.

The practice also carries co-benefits that reach beyond the field. Native prairie root systems reduce soil erosion and nutrient runoff, addressing water-quality concerns in Corn Belt watersheds, and the habitat supports wildlife including the upland bird species central to Pheasants Forever's mission.

Interest in prairie strips among Midwest growers has grown as researchers and conservation groups document their effects on insect populations and water quality. For producers weighing the practice, Glazik's dual role as specialist and farmer offers a case study in applying it within a commercial row-crop rotation.

As more Corn Belt farmers evaluate where conservation practices fit into tight-margin row-crop budgets, prairie strips are likely to draw continued attention as a tool that pairs habitat restoration with measurable agronomic returns.