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  • Stories
    Almanac

    Science in service of humanity and the environment

    Read our annual magazine here

    READ


    Dive into engaging stories that showcase our statewide, national and global impact.

    Check out our written stories here

    LOOK


    Browse curated photo galleries capturing the people, places and programs that bring CAES to life.

    Check out our photo galleries here

    WATCH


    Experience our stories through videos that highlight our people, projects and passions in action.

    Check out our video library here

    LISTEN


    Tune in to “Cultivating Curiosity,” our podcast featuring in-depth conversations with CAES experts.

    Check out our podcast here
  • Expert Resources

    Expert Resources


    From farms and gardens to families and finances, our expert resources empower Georgians with trustworthy, practical science.

    Gardening
    Invasive species
    Food and food safety
    Ants, termites and other pests
    Pollinators
    Livestock
    Emergency preparedness
    Home safety and maintenance
    Health, family and finances
    Nutrition
    Water quality
    Lawn maintenance and landscaping
    Turfgrass
    View all topics

    What is an Expert Resource?


    We publish unbiased, research-backed expert advice to empower Georgians with practical, trustworthy information they can trust.

    These resources are written and reviewed by experts in the UGA College of Agricultural and Environmental Sciences and the UGA College of Family and Consumer Sciences.

    Learn how we produce science you can trust
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Agricultural Policy Resources

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  • Red poultry houses near a hayfield on a farm

    C 931

    Facts for County Planners: Set-Backs for Poultry Houses

    Renewed

    One of the most important components of a zoning ordinance for poultry farms relates to the set-back distance required for the location of poultry production houses. It is important that set-back requirements for poultry houses be based on facts rather than emotions.

    Casey W. Ritz

    |

    Sept. 22, 2026
  • a pile of shredded trees and organic material in a cinder block bin at a distrubution center

    C 982

    Managing Organic Refuse: Options for Green Industry Professionals

    This publication explains some of the options available to Green Industry professionals for dealing with these organic materials.

    Bodie V. Pennisi

    |

    Aug. 7, 2026
  • C 1368

    Water Spinach Production for Georgia

    This resource provides an overview of water spinach cultivation for Georgia. Water spinach is an important part of the cuisine of a number of cultures. However, it can spread easily in waterways and is considered a noxious weed in many places. This resource addresses responsible production of water spinach, if permitted by the state of Georgia.

    Shelbie Bohensky, Nicholas Tuschak Basinger, Juan Carlos Diaz-Perez, and Timothy Coolong

    |

    May 12, 2026
  • C 1209

    An Introduction to Hemp Chemistry and Lab Results

    With the passage of the 2018 U.S. Farm Bill, industrial hemp was declassified as a Schedule I drug and is now legal (with restrictions) for production in the United States. Hemp and marijuana are both Cannabis sativa but are distinguished from each other based on the concentration of the psychoactive compound, tetrahydrocannabinol (THC). Industrial hemp is defined by law as a cannabis plant with total THC concentrations on a dry weight basis of less than 0.3% (+/- a measurement of uncertainty). This resource provides a basic overview of hemp testing for THC to stay in compliance with U.S. Department of Agriculture rules for hemp growers.

    Daniel L. Jackson, Jason Lessl, Timothy Coolong, and Noelle Joy

    |

    April 30, 2026
  • C 1347

    Locate Pesticide Use Limitation Areas (PULAs) Using the EPA’s Bulletins Live! Two Website

    Pesticide applicators should visit the Bulletins Live! Two website to determine if they are located within a pesticide-restricted or limited area, known as a pesticide use limitation area (PULA). These restrictions protect endangered and threatened species from adverse effects. This publication provides users a step-by-step guide on how to navigate this website and access the information needed for applications and recordkeeping.

    Taylor Randell Singleton, Stanley Culpepper, and Eric P. Prostko

    |

    July 31, 2025
  • C 1331-01

    The Bucket Method

    This publication describes the Bucket Method and how someone would use this method to measure the streamflow in a stream, creek, or river to be used in developing a Low Flow Plan required for a agricultural withdrawal permit. Part of the Stream Flow Measurements series.

    Gary L. Hawkins and Ernest W. Tollner

    |

    July 18, 2025
  • B 1249

    Land Application of Pulp Mill Lime Mud

    Lime mud is a by-product produced in pulp mills as part of the process that turns wood chips into pulp for paper. The pulp mill cooks wood chips with sodium hydroxide to extract the wood fiber used to make paper from the lignin that binds the wood together. During this process, sodium hydroxide is converted to sodium carbonate. The pulp mill than adds calcium oxide, also known as quicklime, to convert the sodium carbonate back to sodium hydroxide in order to use it again. In the process, calcium carbonate is formed.

    Jason Lessl

    |

    June 27, 2025
  • B 1353

    Metal Concentration Standards for Land Application of Biosolids and Other By-Products in Georgia

    This bulletin provides the general public a quick reference for some commonly used standards for metal concentrations in biosolids and various by-products intended for land application. Most of the standards presented here are regulatory; however, we have also included information on average metal concentrations in agricultural soils.

    Jason Lessl

    |

    June 27, 2025
  • B 1574

    Soil Amendments in Georgia: Facts and Policies

    Proper use of treated industrial wastes contributes to the circular economy and reduces wastes that would have been disposed of in landfills or by incineration. This publication clarifies Georgia’s legal definition of “soil amendments” and highlights current policies governing the application of processed wastes on farm lands in Georgia. Compliance with these regulations maintains a quality environment in Georgia and ensures the long-term sustainability of manufacturing and food processing industries.

    Henry Y. Sintim

    |

    April 21, 2025
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