Numbered Publications: Plant and Soil Sciences
PR-848: 2023 Soybean Production Contest
Carrie Knott, Clint Hardy, Daniel Carpenter, Troy Muse, Danny Adams, Katie Hughes, Jessica James, Bronson Bass, Lance Lockhart, Tim Lax, Andy Mills, Miranda Rudolph, Darrell Simpson, Jay Stone, Jeana Trapp, John David Tucker | Sep. 5, 2024 (New)
In Kentucky, farmers grow soybeans in two common soybean production systems: full season and double crop. Farmers plant full season soybeans in the spring and harvest in fall, so they have harvested one crop in one calendar year. Farmers plant double-crop soybeans after wheat harvest in June. These soybeans are harvested later that fall, making them the second crop harvested in the same calendar year. Both systems are important to the overall production of soybean in Kentucky. To document the agronomic practices utilized by producers, an annual soybean production contest was initiated in Kentucky in 1980.
PR-847: 2024 Kentucky Small Grains Variety Performance Trial
Bill Bruening, Dalton Mertz, Gene Olson, Samuel Revolinski, Phillip Shine, Dave Van Sanford | Jul. 12, 2024 (New)
The 2024 soft red winter wheat growing season ended with Kentucky farmers harvesting approximately 410,000 acres of the 560,000 acres planted, for a total production of 31.6 million bushels of grain.
AGR-250: Remediation of the Fragipan Using Annual Ryegrass
Dottie Call, John Grove, A.D. Karathanasis, Chris Matocha, Lloyd Murdock | Jul. 2, 2024 (Minor Revision)
The fragipan is a naturally occurring restrictive soil horizon that virtually stops water movement and root growth through the soil. It commonly is located 18-32 inches below the surface of most of Kentucky's fragipan soils.
AGR-278: Bermudagrass Control for Kentucky Lawns
Kenneth Clayton, Paul Andrew Rideout, Jason Vaughn, Beth Wilson | May. 24, 2024 (New)
Bermudagrass (Cynodon dactylon), a warm-season perennial grass, increasingly has become a problem in Kentucky cool-season turfgrass. Over much of the lower Southeastern United States, bermudagrass is the king of the turfgrasses. Celebrated for its aggressive growth habit, quick recovery, and ability to tolerate low mowing heights, bermudagrass can be found everywhere from high-end golf courses and prestigious sports stadiums to home lawns.
AGR-259: Multi-SOA Pre-emergence Herbicides for Palmer Amaranth and Waterhemp Control
Travis Legleiter | Apr. 24, 2024 (Minor Revision)
Waterhemp and Palmer amaranth are among the most troublesome and hard to control weeds in soybean fields in Kentucky. Both species have spread across the state over the past ten to fifteen years. Resistance to ALS-inhibiting herbicides [Group 2] and glyphosate [Group 9] is widespread in both species, while PPO-resistance [Group 14] is continually spreading especially in waterhemp. Herbicide manufacturers have developed several herbicide premix formulations targeted at controlling waterhemp and Palmer amaranth that contain multiple effective sites of action, thus farmers have options to choose from.
AGR-276: Kentucky Land Capability Classes and Limitations
John Grove, Brad Lee, Edwin Ritchey | Mar. 19, 2024 (New)
The USDA NRCS has established a national land classification system to help landowners and farm operators with land use planning. This system classifies land for agricultural purposes by the intensity with which it can be used for crop production and by the nature of the limiting problem. In general, the better the Land Class (lower numeric values), the less management is necessary to produce a crop while protecting the soil resource and the environment.
ID-277: The Great Debate of Annual vs. Perennial Forages
Kenny Burdine, Kelly Mercier, Ray Smith | Mar. 13, 2024 (New)
The organic dairy sector in Kentucky and Tennessee contributed $9.3 million in organic product sales in 2019 (USDA-NASS, 2020), with organic milk sales in Kentucky alone rising 61% from 2017 to 2019 (USDA, NASS, Kentucky Field Office, 2020). Organic dairies rely more heavily on pastures as a significant source of dry matter intake compared to most conventional dairies.
HENV-716: Companion Canine Nutrient Contributions to Kentucky's Urban Environment
Glynn Beck, Rick Durham, Brad Lee | Mar. 12, 2024 (New)
Eutrophication is a significant environmental issue affecting creeks, streams, and lakes, and excess nutrients, particularly nitrogen (N) and phosphorus (P), play a crucial role in its development. Microbial growth due to excess nutrients in the environment can be devastating to aquatic life and water resources. When eutrophication occurs, excess nutrients in fresh water can cause algal blooms, some of which are toxic to humans and pets.
AGR-205: Weed Management: Kentucky Master Gardener Manual Chapter 8
J.D. Green | Jan. 16, 2024 (Major Revision)
Every garden has weeds, and every gardener wonders what to do about them. Gardening involves lots of small decisions that can have a cumulative effect on those weed problems.
AGR-206: Lawn Management: Kentucky Master Gardener Manual Chapter 15
Kenneth Clayton, Gregg Munshaw, A.J. Powell | Jan. 16, 2024 (Major Revision)
Turfgrass is the foundation of a quality landscape. It improves the beauty of other ornamentals and provides a safe recreational surface.
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