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  • 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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  1. Home
  2. Expert Resources
  3. Topics
  4. Field Crops, Forage and Turfgrass Production
  5. Field Crops

Field Crops Resources

Use the Advanced Search
  • Cotton bolls are open and ready for harvest

    AP 130-4-04

    2026 Cotton Outlook and Market Situation

    The key points for the 2026 season are: Cotton remains financially strained by high input costs, elevated interest rates, and weak prices, which have left U.S. cotton producers with ongoing negative profit margins, continuing a long-term trend of economic losses. Rising Brazilian production, China’s diversification away from U.S. cotton, and global stocks exceeding demand have intensified market competition and kept cotton prices suppressed. With cotton futures in the mid-60s, limited demand recovery, and production costs still high, growers must carefully manage expenses and adopt strong marketing strategies to reduce financial risk.

    Yangxuan Liu

    |

    Jan. 23, 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 1333

    More Crop Per Drop: An Introduction to the CropFit App

    Crop water requirements are not static during the growing season. They vary with crop growth stages and environmental conditions. Advanced irrigation scheduling tools use data collected from or near the field where crops are growing to provide timely information on how much water crops need and when they need it, and generally result in optimizing irrigation water use.

    Phillip Edwards, George Vellidis, Wesley Porter, Jason Mallard, David Hall, and Emily Kranz Bedwell

    |

    May 28, 2025
  • AP 132-01

    2024 Georgia Corn Production Guide

    This is the Extension Corn Team’s full production guide for recommended practices to plant and maintain a corn crop in Georgia. Topics include agronomic practices, growth and development, fertilization, irrigation, weed, insect and disease management, harvesting and drying, protecting stored corn, soil health, and economics/budgets.

    G. David Buntin, Eric P. Prostko, Robert C Kemerait Jr, Amanda R Smith, Ronald Scott Tubbs, Wesley Porter, Guy Hancock, Henry Y. Sintim, Glendon H. Harris, and Michael D Toews

    |

    Dec. 24, 2024
  • B 1466

    Predicting Nitrogen Release from Cover Crops: the Cover Crop Nitrogen Availability Calculator

    Cover crops have many benefits for farmers, including erosion control, weed suppression, and feeding the food soil web. Cover crops also play an important role in fertility, particularly for nitrogen.

    One of the challenges facing farmers who use cover crops is quantifying the available nitrogen supplies to the following cash crop by the decomposing cover crop residues and how they might change their fertilizer management to account for this. This publication is intended to educate farmers on the nitrogen cycle, cover crops, and nitrogen; how nitrogen is released from cover crops; and the new Cover Crop Nitrogen Availability Calculator, including the steps necessary to use the Calculator.

    Julia W. Gaskin and Miguel L. Cabrera

    |

    Dec. 20, 2024
  • AP 102-15

    2022 Georgia Plant Disease Loss Estimates

    2022 plant disease losses, including control costs, amounted to an estimated $933 million. The value of the crops used in this estimate was approximately $8200 million, resulting in a 11.4% relative disease loss across all crops included in this summary. The estimated values for most crops used to compute these disease losses are summarized in the UGA Center for Agribusiness & Economic Development 2022 Georgia Farm Gate Value Report (AR-24-01). Some estimates for fruits, ornamentals, and turf rely on Extension specialists’ knowledge of the industry and industry sources for information.

    Timothy Branner Brenneman, Phillip M. Brannen, Ganpati Jagdale, Bhabesh Dutta, and Ansuya Jogi

    |

    Sept. 19, 2024
  • C 1297

    Soil Sampling Grid Size Considerations for Site-Specific Nutrient Management

    This publication provides information on selecting an optimal soil sampling grid size that can accurately depict spatial nutrient variability within the fields in the southeastern US and helps in informing precision site-specific nutrient applications.

    Jason Lessl, Simerjeet Virk, and Glendon H. Harris

    |

    May 14, 2024
  • 2020 UGA On-Farm Cotton Variety Evaluation Program

    AP 110-5

    2020 UGA On-Farm Cotton Variety Evaluation Program

    Variety selection is one of the biggest decisions and investments cotton growers make each year. In 2010, the UGA Extension Cotton Agronomists implemented the UGA On-Farm Cotton Variety Evaluation Program to assist in this decision. In this annual publication, varieties were evaluated in 2020 across a wide range of environments in the cotton producing regions of Georgia in cooperation with county agents and industry partners. The implementation of this program has made a tremendous impact on variety selection from year to year, and it will continue to have the same impact in the future.

    R. Anthony Black, Phillip Marion Roberts, Eric Elsner, Scott Rogers, and Camp Hand

    |

    Nov. 6, 2023
  • 2022 UGA On-Farm Cotton Variety Evaluation Program

    AP 110-7

    2022 UGA On-Farm Cotton Variety Evaluation Program

    Variety selection is one of the biggest decisions and investments cotton growers make each year. In 2010, the UGA Extension Cotton Agronomists implemented the UGA On-Farm Cotton Variety Evaluation Program to assist in this decision. In this annual publication, varieties were evaluated in 2020 across a wide range of environments in the cotton producing regions of Georgia in cooperation with county agents and industry partners. The implementation of this program has made a tremendous impact on variety selection from year to year, and it will continue to have the same impact in the future.

    Wade B. Parker, Eric Elsner, Scott Rogers, and Camp Hand

    |

    Nov. 6, 2023
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