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News from the College of Agricultural and Environmental Sciences

Chemigation treatments on cotton in a UGA research trial. CAES News
Chemigation 06/16/16 Clint Thompson
Pesticide application through center pivot irrigation systems, called “chemigation,” could allow Georgia cotton growers to treat multiple fields while lowering application costs and minimizing exposure to chemicals. University of Georgia entomologist Michael Toews is studying the efficacy of this method.
Using a farm pond as a giant watering dish for cattle may be an easy way to provide livestock with water, but it's not the healthiest. University of Georgia Cooperative Extension experts say this can spread diseases through a herd, affect the fish quality and destroy the stability of the pond's shoreline. CAES News
Pond Water 06/14/16 Frank M. Watson
Many Georgia farmers use their fish ponds as water sources for livestock. A pond located in a pasture is a convenient and dependable source of water for stock, but letting cattle have free access to a pond is not the best decision for the animals, the pond or the fish that live there.
While some parts of the state saw 10 inches more rain than normal during May, northwestern Georgia had more than three inches less rain than the average. CAES News
North Georgia Drought 06/06/16 Pam Knox
In May 2016, most of Georgia suffered from a lack of rainfall, while record-setting rain fell in Savannah, Georgia. Drought conditions expanded statewide, and severe drought returned to the northwest corner of Georgia by the end of last month.
Endue Brown, a Sumter County 4-H'er, collects water from an irrigation pivot during a previous 4-H20 camp. CAES News
4-H20 Camp 06/02/16 Kenzie Kesselring
A blend of fun and education, the Mitchell County 4-H20 day camp is designed to introduce students to the importance of water conservation and irrigation. The three-day camp is held every year, and will include a visit to the University of Georgia C.M. Stripling Irrigation Research Park in Camilla, Georgia, on June 22.
Southern Regional Extension Forestry (SREF), in collaboration with eXtension, an online learning resource for Cooperative Extension System professionals, and the U.S. Department of Agriculture, have launched the Climate Learning Network (CLN) website — a clearinghouse for the most up-to-date climate information for farmers, homeowners, natural resources professionals and Extension personnel. CAES News
Climate Learning Network 06/02/16 Brent Peterson
Southern Regional Extension Forestry (SREF), in collaboration with eXtension, an online learning resource for Cooperative Extension System professionals, and the U.S. Department of Agriculture, have launched the Climate Learning Network (CLN) website, climatelearning.net, as a clearinghouse for the most up-to-date information for farmers, homeowners, natural resources professionals and Extension personnel.
Professor Nick Hill harvests corn from his test plots at the J. Phil Campbell Research and Education Center in Watkinsville, Georgia. CAES News
Corn Boil 06/02/16 Merritt Melancon
The University of Georgia faculty and staff at the J. Phil Campbell Sr. Research and Education Center in Watkinsville will host the center’s annual corn boil and open house on June 28 from 10 a.m. to 1:30 p.m.
An overhead view of variable rate irrigation and soil moisture sensor research at Adam McLendon's farm. CAES News
Variable Rate Irrigation 05/17/16 Clint Thompson
The combination of soil moisture sensors and variable rate irrigation (VRI) may help some Georgia farmers increase their yields while decreasing their water usage, according to an ongoing study by University of Georgia precision agriculture specialist George Vellidis and irrigation specialist Wes Porter.
Don Shilling, left, head of the University of Georgia department of crop and soil sciences, and Rosario Rizzuto, rector of the University of Padova, sign an agreement finalizing a duel master's degree program between the universities. CAES News
Sustainable Ag Master's Degree 05/03/16 Merritt Melancon
To promote collaboration on some of the biggest challenges facing agriculture today, the University of Georgia College of Agricultural and Environmental Sciences is partnering with the University of Padova in Italy for a groundbreaking dual master’s degree program in sustainable agriculture.
Volunteers fill Naltex bags with oyster shells at Burton 4-H Center on Tybee Island on April 9 to help build a living shoreline to prevent erosion at the environmental education center. CAES News
Army of Oysters 04/14/16 Merritt Melancon
Georgia 4-H is recruiting an army of bivalves to help ensure the future of the organization’s coastal environmental education center. The organization is working with University of Georgia Marine Extension to encourage new oyster beds along the marshy shoreline at Burton 4-H Center on Tybee Island, Georgia.
Iron bacteria residue occurs where an area of water becomes exposed to oxygen. The iron bacteria use the oxygen in this zone to convert ferrous iron into ferric iron. As a result, the iron changes into a rusty, red precipitate. This material can also appear as a fluffy or filamentous, organic material as a result of the bacteria growing. CAES News
Iron Bacteria 04/13/16 Adam Speir
The smell of foul odors as well as the sight of brown or red, slimy substances or an oily sheen on the surface of streams and wetlands has some people concerned about water quality. Solid, rust-colored particles are actually a naturally occurring result of iron bacteria. It doesn't pose any human health risks, but the red, slimy sludge can clog pipes and pumps when using well water.