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Adair Farm Agent May 11, 2005: Annual grasses help summer forage production

By David Herbst
Adair County Extension Agent for Agriculture
P.O. Box 309, Columbia KY 42728-0309
Phone: (270) 384-2317
email: dherbst@uky.edu


You might have some pasture shortages this summer if youhave cool-season grasses since these forages stop growing duringhot, dry weather.


To provide supplemental forages, let livestock graze hayfields with red clover or alfalfa that continues to grow duringthe summer. However even this practice might not provide all theforage livestock need in the summer.

Seeding summer annual grasses can help you overcome thesummertime gap in pasture production. You can seed thesegrasses from May through June.

Your best choices of summer annual grasses usually aresorghum-sudangrass hybrids, sometimes-called "sudax," dwarfpearl millet or sudangrass.

The sorghum-sudangrass hybrids usually are easier to growand produce a higher yield than millet. However, these hybridscan cause prussic acid poisoning when livestock graze if plantsare too small or following plant injury from frost or a hailstorm. So do not let livestock start grazing until plants are atleast 18 inches tall and don't let animals graze weather-damagedplants.

Dwarf pearl millet is a good summer forage because it hasabundant leaves that produce high-quality forage. You can letanimals graze this millet more than once if at least six inchesof stubble is left after grazing or mowing.

Use foxtail millet if you need only one harvest for grazingor mowing for hay because this millet won't regrow and produce asecond harvest.

Although sudangrass is similar to the sorghum-sudangrasshybrids, it normally yields slightly less than the hybrids.Sudangrass does have smaller stems so it more easily dries tomake hay.
For more information on summer forage crops contact the Adair County Cooperative Extension Service by calling 384-2317; or visit the office located at 409 Fairground St., in Columbia. Educational programs of the Cooperative Extension Service serve all people regardless of race, color, age, sex, religion, disability, or national origin.


This story was posted on 2005-05-11 18:04:59
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