Integrative Precision Agriculture Resources
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This report provides research and extension results for trials conducted by the University of Georgia Vegetable Team and its collaborators in the 2024-2025 growing season. The objective of this study was to compare multiple spraying systems (drone, tractor, etc.) and platforms for vegetable production. Contributing authors include county and regional faculty as well as specialists from UGA’s horticulture, plant pathology, crop and soil sciences, and entomology departments. All research has been supported by the Georgia Commodity Commission for Vegetables.
Luan Oliveira, Ted McAvoy, and Marcelo Barbosa
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This report provides research and extension results for trials conducted by the University of Georgia Vegetable Team and its collaborators in the 2024-2025 growing season. Contributing authors include county and regional faculty as well as specialists from UGA’s horticulture, plant pathology, crop and soil sciences, and entomology departments. All research has been supported by the Georgia Commodity Commission for Vegetables.
Sudeep Bag, Manish Kumar, Alvin M. Simmons, and Ted McAvoy
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This report provides research and extension results for trials conducted by the University of Georgia Vegetable Team and its collaborators in the 2024-2025 growing season. Management of diseases is necessary to protect crops against disease pathogens and reduce their spread in vegetable fields. This study aims to detect Phytophthora blight severity, a major disease affecting pepper plants, using drone technologies. Contributing authors include county and regional faculty as well as specialists from UGA’s horticulture, plant pathology, crop and soil sciences, and entomology departments. All research has been supported by the Georgia Commodity Commission for Vegetables.
Md Sultan Mahmud
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This report provides research and extension results for trials conducted by the University of Georgia Vegetable Team and its collaborators in the 2024-2025 growing season. The objective of this study was to determine the effect of postharvest oxalic acid treatments on the postharvest physical and chemical attributes of cucumbers. Contributing authors include county and regional faculty as well as specialists from UGA’s horticulture, plant pathology, crop and soil sciences, and entomology departments. All research has been supported by the Georgia Commodity Commission for Vegetables.
Juan Carlos Diaz-Perez, Maria Theodorakopoulou, and Nobuko Sugimoto
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Robotics will soon become a common reality on farms. This Extension resource helps people to understand the basics of robotics for agriculture and the applications of these new machines.
Luan Oliveira, Marcelo Barbosa, and Wesley Porter
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Transplanting is the process in which seedlings are transferred from a specific place where they were sown to the soil where they will develop and produce. This process is an extremely important step in fruit and vegetable production as it helps with the initial establishment of the crop. Mechanical transplanters have emerged as important agricultural machines for farmers, and are designed to automate and optimize the transplanting process.
Luan Oliveira, Ted McAvoy, Regimar Garcia dos Santos, and Marcelo Barbosa
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This circular contains the fundamentals of watermelon irrigation scheduling using the crop water demand method. Decisions regarding the timing, frequency, and amount of water required for a crop are some of the most critical factors in vegetable production. There are numerous irrigation scheduling strategies employed by growers, but the crop water demand method of irrigation management is one of the most reliable and precise ways to schedule irrigation. This method adjusts irrigation events using the crop evapotranspiration, or ETc.
Timothy Coolong, Laurel Dunn, Andre Luiz Biscaia Ribeiro da Silva, and Will Gay
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Pulse width modulation (PWM) technology is becoming a standard option on most new agricultural sprayers because of its ability to precisely regulate both flow rate and pressure over a wide range of travel speeds. This publication provides information on nozzle selection for sprayers equipped with PWM technology, including how to use PWM nozzle selection/tabulation charts, other useful online tools, and considerations for effective pesticide applications.
Simerjeet Virk, Ravi Meena, and Coleman Byers
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Spinner-disc spreaders are commonly used for applying lime and fertilizer to agricultural fields. Uniform and accurate application of lime and fertilizer is essential. Proper setup and calibration of application equipment is important to assess its performance and attain satisfactory results. Even new and well-maintained equipment needs calibration checks regularly before and during the growing season. This is especially important when changing from one type of material or blends to another, when changing application rates, and when altering speeds or other operating conditions.
Simerjeet Virk
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