Blue Ranch switched to a high-density, low-
frequency grazing system utilizing 62 grazing cells of approximately 320 acres each. “Ideally, all cows graze for about six days in each cell,” says ranch manager Mike Turner, “and we try to graze each cell in one calendar year. That way, at any given time 90 to 95 percent of the ranch is being rested.”
\\ The Pfeiffers use DuraCor ® herbicide to help maximize quality forage production and keep cows in the right condition. // “We get about 32 inches of rainfall per year here, so we must ensure that we’re growing grass instead of weeds to take care of our cows,” John says. “DuraCor is a product that works really well for us, because it stays where it’s sprayed and controls our most challenging weeds, such as silverleaf nightshade, broomweed, ragweed and Russian thistle.” He also appreciates the flexible application options and low-odor formulation that DuraCor® herbicide offers. “We’re seeing great results with drone applications, and we can get the product sprayed closer to the ground without leaving tracks,” he says. “And unlike some other herbicides, it doesn’t smell. That’s another advantage.” DuraCor has been a great addition to the Pfeiffers’ pasture management program for the past few years, but John admits he was slower to adopt the product until he felt confident it would pencil out. “I think you have to continue to try new things to move the cattle operation forward,” he says. “Sometimes they work, and sometimes you learn that things don’t work so well for your operation. But I have to say DuraCor is a product that’s worth the investment for us.” Trying New Things Most recently, John tested UltiGraz℠ Pasture Weed & Feed on 20 acres of bermudagrass pasture that’s used for hay. “UltiGraz saved us a trip across the field, and we had the prettiest bermudagrass that you could ask for,” he says. “There was no marestail or silverleaf nightshade in the hay like we typically see, and that healthy grass stand helped hold down Johnsongrass. It was very effective.” After seeing the initial results, John says trying something new seems to be paying off again. “That’s one thing we’ve certainly done right this year,” he says.
™ ® Trademarks of Corteva Agriscience and its affiliated companies. Under normal field conditions, DuraCor® is nonvolatile. DuraCor has no grazing or haying restrictions for any class of livestock, including lactating dairy cows, horses (including lactating mares) and meat animals prior to slaughter. Label precautions apply to forage treated with DuraCor and to manure and urine from animals that have consumed treated forage. DuraCor is not registered for sale or use in all states. Consult the label for full details. UltiGraz SM with fertilizer is available for use with specific herbicides in the states of AL, AR, CO, FL, GA, HI, IA, ID, KS, KY, LA, MN, MO, MS, MT, NC, ND, NE, NV, OK, OR, SC, SD, TN, TX, UT, VA, WA, WI, WV and WY. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions. ©2025 Corteva.
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