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Forages are valuable. They’re also the lowest-cost way to keep your high-value beef cows in condition and their calves gaining. With favorable cattle economics pointing toward herd expansion on an ever-shrinking number of grazing acres, it makes good business sense to do all you can to grow all the grass you can. And fall is a great time to get started.
“Spring is a season of hustle and bustle. Get the equipment running, plant crops, calve heifers, fix fences — the list seems never-ending,” says Sam Ingram, Range & Pasture field scientist with Corteva Agriscience. “But producers can take steps in their pastures today that can help ease their workload next spring and significantly improve grazing.”
Targeting many biennial and perennial species, such as thistles, horsenettle, knapweeds and tall ironweed, in the fall is an effective, efficient and convenient way to protect your grazing resource and get a jump on spring.
“Broadleaf weeds compete for the moisture and nutrients grasses need during the important post-grazing-season fall recovery period,” Ingram says. “Controlling these weeds in fall will help pastures grow faster next spring, along with developing a thick grass cover that can work to prevent future weed infestations.”
Cooler fall temperatures combined with late-summer rain bring on a flush of perennial regrowth and germinates a new flush of winter annuals and biennial plants, such as musk and plumeless thistles. These lush plants and new seedlings are especially susceptible to herbicide treatments, so you get a better return on investment. Plus, when you use a product with residual control, you will continue to get activity into the early spring months.
While regrowth of tough, deep-rooted perennials isn’t as easy to kill as a young thistle rosette, Canada thistle and tall ironweed respond well to fall treatments for other reasons. With winter approaching, perennials begin to move nutrients deep into their root systems for storage. Fall-applied herbicides travel with those nutrients, resulting in excellent rootkill and more complete control.
“Perennial species are great candidates for fall treatment,” Ingram explains. “You can get a lot better control of thistles, dogbane, milkweeds and horsenettle with well-timed fall applications. Late-fall application also can be very effective on seedling biennials, such as plumeless and musk thistle and common burdock.”
In most regions, September is the ideal timing for fall treatment, but you can apply herbicides up to the first hard frost. Delaying treatment until after the first frost, but before a hard freeze with visible leaf damage, will help improve control.
Fall treatments have become even more efficient thanks to the unparalleled activity DuraCor® herbicide has shown on thistles and other broadleaf invaders. DuraCor controls a broad spectrum of weeds (more than 140 species) and provides extended residual control.
Besides getting highly effective, and efficient, control and freeing up much-needed time in the spring, several other reasons help make fall applications the way to go.
Conservation Reserve Program (CRP) acres that have been sitting idle, and often forgotten, are excellent candidates for fall applications. Whether you’re looking to eventually return CRP acres to production, reenroll them in the program or simply need to do some catch-up on managing those acres, there’s no time like the present to start improving these often out-of-control acres. The same weed control options from Corteva Agriscience Range & Pasture for pasture ground apply to CRP acres.
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. 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.