Crop and Soil Sciences
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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 2024. 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.
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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.
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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.
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AP 133-1
Hurricane Helene Impact Report
We estimate that Hurricane Helene’s damages to Georgia agriculture and forestry will cost the state economy at least $5.5 billion in 2024 present value. This figure represents the sum of direct crop losses, losses to firms that support agriculture and forestry, losses to workers in those and related industries, and the recovery and restoration costs that firms in these industries will face. The Georgia Forestry Commission is a collaborator with UGA on this publication.
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Sethoxydim has been widely used for grassy weed control in centipedegrass lawns, roadsides, and sod farms. Decades of exclusive sethoxydim use in Georgia have led to the emergence of ACCase-resistant goosegrass and southern crabgrass in turf. This publication covers the development, detection, and control of ACCase-resistance crabgrass and goosegrass for professional turfgrass managers.
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This publication includes recommendations and current guidelines for turfgrass pest control methods and materials in Georgia, as well as a turfgrass management calendar.
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Many buildings and homes have on-site wastewater management systems, commonly called septic systems. Because septic systems are buried, it is easy to forget about them as they quietly, elegantly and efficiently maintain human and environmental health. Septic systems are the norm in rural areas, but they can be quite common in urban areas as well. It is important to know if your building is on a septic system. This publication explains the basics of septic systems.
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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.
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AP 124-4
2024 Georgia Cotton Production Guide
The 2024 edition of the cotton production guide provides an in-depth look at cotton production in Georgia and the Southeastern U.S. Issues discussed include economic outlook, fertility, weed management, insect management, disease and nematode management, irrigation decisions, precision ag technology, and general agronomics of the cotton crop (varieties, PGR applications, defoliation, etc.).
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