Extension, Variety Trials, Annual Reports
This page features UF/IFAS EDIS extension publications that turn research into practical, grower-friendly guides; annual variety trial fact sheets reporting results from our cotton, corn, and soybean evaluations; and STEP Cotton annual reports summarizing our outreach and education efforts.
Browse by year or category to find the latest studies, trial evaluations, and program summaries.
Extension Publications
2026
Sidhu, S., Comitre, G., & Singh, H. (2026). Understanding Cotton (Gossypium hirsutum L.) Fiber Quality for American Upland Cotton: From Field Factors to Market Consequences: SS-AGR-507/AG503, 9/2026. EDIS, 2026(5). https://doi.org/10.32473/EDIS-AG503-2026
Sidhu, S. S., Wright, D., Tillman, B., Dufault, N., Small, I. M., Esquivel, I., … Carter, E. (2026). Peanut Production Guide: Management and Cultural Practices for Peanuts: SS-AGR-501/AG497, 1/2026. EDIS, 2026(1). https://doi.org/10.32473/EDIS-AG497-2026
Katoch, Karun, Michael Dukes, Shivendra Kumar, Jay Capasso, Diego Leitão, Hardeep Singh, and Lakesh Sharma. (2026). Nitrogen Fertilizer Guidelines for Field Corn Production in Florida: SL541 SS757, 3 2026. EDIS (2026) (2). Gainesville, FL. https://doi.org/10.32473/EDIS-SS757-2026
Sidhu, Sudeep S., David Wright, Barry Tillman, Nicholas Dufault, Ian M. Small, Isaac Esquivel, Zane Grabau, et al. (2026). Peanut Production Guide: Management and Cultural Practices for Peanuts: SS-AGR-501 AG497, 1 2026. EDIS 2026 (1). Gainesville, FL. https://doi.org/10.32473/EDIS-AG497-2026
Singh, Hardeep, Eajaz A. Dar, Ethan Carter, Michael D. Dukes, and Lakesh Sharma. (2026). Nitrogen Fertilizer Recommendation for Florida Cotton: SS-AGR-499 AG495, 1 2026. EDIS 2026 (1). Gainesville, FL. https://doi.org/10.32473/edis-AG495-2026
2025
Shah, A., Singh, H., Sharma, L., Carter, E., & Morata, G. (2025). Petiole Sampling as a Tool for In-Season Nitrogen Management in Cotton: SS-AGR-491/AG489, 6/2025. EDIS, 2025(4). https://doi.org/10.32473/edis-ag489-2025
Sharma, L. K., Leitão, D. A. D. S., & Singh, H. (2025). Unlocking the Potential of Technology: Estimating Nitrogen Requirement in Corn Using Optical Sensors: SL526/SS740, 1/2025. EDIS, 2025(1). https://doi.org/10.32473/edis-ss740-2025.
Singh, S., Thoms, M., Singh, H., Tillman, B., Matcham, E., & Carter, E. (2025). Calcium Fertilization in Peanuts: Importance, Sources, and Considerations: SS-AGR-487/AG482, 2/2025. EDIS, 2025(1). https://doi.org/10.32473/edis-ag482-2025
Sharma, L. K., Sidhu, S. K., Zotarelli, L., & Singh, H. (2025). Why Potassium Is Important for Potatoes: SL518/SS731, 2/2025. EDIS, 2025(1). https://doi.org/10.32473/edis-ss731-2025.
2024
Sharma, L. K., Singh, R., Sharma, A. K., & Singh, H. (2024). Understanding Soil Fertility from an Urban Grower Perspective: SL524/SS737, 11/2024. EDIS, 2024(6). https://doi.org/10.32473/edis-ss737-2024
Sharma, L. K., Singh, H., & Obreza, T. A. (2024). When to Lime Soil and Liming Products Available in Florida: SL519/SS732, 11/2024. EDIS, 2024(6). https://doi.org/10.32473/edis-ss732-2024
Brym, Z., Sharma, L., Obreza, T., & Mylavarapu, R. (2024). UF/IFAS Nutrient Management Recommendation Series: Hemp: SL521/SS734, 8/2024. EDIS, 2024(4). https://doi.org/10.32473/edis-ss734-2024
Nwosu, N., Singh, H., Brym, Z., Sharma, L., Carter, E., Revynthi, A. M., & Osborne, L. (2024). Fire Ants Management in Industrial Hemp: SS-AGR-481/AG477, 5/2024. EDIS, 2024(3). https://doi.org/10.32473/edis-ag477-2024
Sharma, L., Khanna, R., & Singh, H. (2024). Developing a Web-based Agro-Application: SL513/SS726, 4/2024. EDIS, 2024(2). https://doi.org/10.32473/edis-SS726-2024
Singh, K., Singh, H., Omara, P., Nwosu, N. J., Bearden, J., Singh, R., & Sharma, L. K. (2024). Potassium Deficiency in Cotton: Causes, Symptoms, and Considerations: SS-AGR-479/AG475, 1/2024. EDIS, 2024(1). https://doi.org/10.32473/edis-ag475-2024
2023
Singh, H., Carter, E., Sharma, L., Sidhu, S., & Omara, P. (2023). Sulfur deficiency in cotton: Causes, symptoms, and considerations: SS-AGR-478/AG474, 11/2023. EDIS, 2023(6). https://doi.org/10.32473/edis-ag474-2023
Sharma, L. K., Sharma, A. K., Ogram, A., & Singh, H. (2023). Improving Biological Nitrogen Fixation to Improve Soil Nutrient Status. EDIS, 2023(4). https://doi.org/10.32473/edis-ss714-2023
Singh, K., Singh, H., Johnson, L., Carter, E., Sharma, L., & Singh, R. (2023). Plant growth regulators as a management tool in cotton production: SS-AGR-475/AG471, 5/2023. EDIS, 2023(3). https://doi.org/10.32473/edis-ag471-2023
Variety Trial Fact Sheets
Cotton Variety Evaluation Report
Corn Variety Evaluation Report
Soybean Variety Evaluation Report
For additional crops and years of reporting, please visit: https://wfrec.ifas.ufl.edu/variety-testing/
STEP Cotton Annual Reports
Competition Overview and Results
For additional information, please visit: https://step.ifas.ufl.edu/mobile-menu/education-and-training/