Publications
This page brings together all of our lab's knowledge outputs: peer-reviewed research articles sharing our scientific findings; 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.
Research Publications
2025
Lamichhane, B., Dunn, B. L., Singh, H., Kumar, A., & Norwood, B. (2025). Cucumber and tomato seedling growth effects by biochar supplemental rates. Technology in Horticulture, 5, e024. https://doi.org/10.48130/tihort-0025-0012.
Hopf, A., Boote, K. J., Upadhyaya, Y., Singh, H., Mulvaney, M. J., Kaur, N., ... & Hoogenboom, G. (2025). Adaptation of the process‐based CSM‐CROPGRO model to simulate the growth and development of industrial hemp for seed and fiber production. Agrosystems, Geosciences & Environment, 8(2), e70145. https://doi.org/10.1002/agg2.70145.
Singh, K., Singh, R., Nwosu, N. J., Omara, P., Sharma, L., Dunn, B. L., & Singh, H. (2025). Optimizing Nutrient Delivery in Agronomic Crops: A Review of Enhanced Efficiency Fertilizers. Journal of Plant Nutrition and Soil Science. https://doi.org/10.1002/jpln.12010.
Dar, E. A., Omara, P., Iboyi, J. E., Mulvaney, M. J., Carter, E., Wood, C. W., ... & Singh, H. (2025). Optimizing nitrogen rates for rainfed cotton on sandy loam soils of Florida. Agronomy Journal, 117(2), e70046. https://doi.org/10.1002/agj2.70046.
Bajwa, P., Saini, R., Singh, S., Makkar, J., Trostle, C., & Singh, H. (2025). Effect of early and late post emergence herbicides on weed suppression, crop injury, and biomass yield of industrial hemp in semiarid conditions. Agrosystems, Geosciences & Environment, 8(1), e70078. https://doi.org/10.1002/agg2.70078.
Kaur, N., Sharma, A. K., Shellenbarger, H., Griffin, W., Serrano, T., Brym, Z., ... & Sharma, L. K. (2025). Drone and handheld sensors for hemp: Evaluating NDVI and NDRE in relation to nitrogen application and crop yield. Agrosystems, Geosciences & Environment, 8(1), e70075. https://doi.org/10.1002/agg2.70075.
Nwosu, N. J., Upadhyaya, Y. R., Kaur, N., Sharma, L., Brym, Z., & Singh, H. (2025). Limited effects of phosphorus application on growth and yield of industrial hemp in Florida. Agrosystems, Geosciences & Environment, 8(1), e70077. https://doi.org/10.1002/agg2.70077.
Serrano, T., Brym, Z. T., Monserrate, L. A., Her, Y. G., Stanford, J., Bhadha, J. H., ... & Shellenbarger, H. T. (2025). Nitrogen Fertilizer Effects on Hemp Biomass Production Detected by Drone-based Spectral Imaging. HortScience, 60(3), 353-361.
Calixto, E. S., Singh, H., & Paula-Moraes, S. V. (2025). Management of corn earworm using Bt corn hybrids, 2024. Arthropod Management Tests, 50(1), tsaf083. https://doi.org/10.1093/amt/tsaf083.
Sharma, A.S., Lesmes-Vesga, R.A., Simranjot, K., Singh, H., Sandhu, H.S. (2025). Effect of energycane integration on ground-dwelling arthropod biodiversity in a sugarcane-sweet corn cropping system. Agronomy, 15(7), 1685. https://doi.org/10.3390/agronomy15071685
2024
Calixto, E. S., Singh, H., & Paula‐Moraes, S. V. (2024). Impact of cultural control practices and fertilization on snail abundance and peanut yield. Agricultural & Environmental Letters, 9(2), e70004. https://doi.org/10.1002/ael2.70004
Singh, H., Mulvaney, M. J., Bashyal, M., & Singh, K. (2024). Prohexadione calcium applications increase peanut peg strength. Agronomy Journal, 116(6), 3108-3116. https://doi.org/10.1002/agj2.21682
Singh, S., Singh, R., Singh, K., Katoch, K., Zaeen, A. A., Birhan, D. A., ... & Sahrma, L. K. (2024). Smart fertilizer technologies: An environmental impact assessment for sustainable agriculture. Smart Agricultural Technology, 100504. https://doi.org/10.1016/j.atech.2024.100504
Lamichhane, B., Dunn, B. L., Singh, H., Kumar, A., & Norwood, B. (2024). Determining eastern red cedar biochar soilless media supplementation rates for potted ornamental kale and chrysanthemum production. HortScience, 59(6), 777-786.
Lamichhane, B., Dunn, B. L., Singh, H., Kumar, A., & Norwood, F. B. (2024). Determining Eastern Red Cedar Biochar Soilless-Media Supplementation Rates for Potted Geranium and Petunia Production. Horticulturae, 10(5), 467. https://doi.org/10.3390/horticulturae10050467
Nwosu, N. J., Oshunsanya, S. O., Okon, P. B., Isong, I. A., Adetuga, A. T., & Singh, H. (2024). Sustainable Regenerative Practices for Land Restoration and Climate Change Management in the Tropics. In Handbook of Nature-Based Solutions to Mitigation and Adaptation to Climate Change (pp. 1-25). Cham: Springer International Publishing. https://link.springer.com/rwe/10.1007/978-3-030-98067-2_119-1
Singh, H., Northup, B. K., Gowda, P. H., Omara, P., Baath, G. S., & Prasad, P. V. (2024). Moth bean and tepary bean as green nitrogen sources in intensive winter wheat cropping systems. Journal of Agriculture and Food Research, 15, 100938. https://doi.org/10.1016/j.jafr.2023.100938
Singh, R., Kaur, S., Bhullar, S. S., Singh, H., & Sharma, L. K. (2024). Bacterial biostimulants for climate smart agriculture practices: Mode of action, effect on plant growth and roadmap for commercial products. Journal of Sustainable Agriculture and Environment, 3(1), e12085. https://doi.org/10.1002/sae2.12085
Daramola, O. S., MacDonald, G. E., Kanissery, R. G., Tillman, B. L., Singh, H., Ajani, O. A., & Devkota, P. (2024). Implications of planting date on Benghal dayflower (Commelina benghalensis L.) and sicklepod (Senna obtusifolia L.) management in peanut. Weed Technology, 38, e66. https://doi.org/10.1017/wet.2024.50
Daramola, O. S., MacDonald, G. E., Kanissery, R. G., Tillman, B. L., Singh, H., Ajani, O. A., & Devkota, P. (2024). Effect of planting pattern and herbicide programs on sicklepod (Senna obtusifolia L.) control in peanut. Weed Technology, 38, e53. https://doi.org/10.1017/wet.2024.64
Daramola, O. S., MacDonald, G. E., Kanissery, R. G., Tillman, B. L., Singh, H., & Devkota, P. (2024). Influence of carrier water pH and hardness on imazapic efficacy for sicklepod (Senna obtusifolia L.) control in peanut. Weed Technology, 38, e18. https://doi.org/10.1017/wet.2023.96
Daramola, O. S., Iboyi, J. E., MacDonald, G. E., Kanissery, R. G., Tillman, B. L., Singh, H., & Devkota, P. (2024). A systematic review of chemical weed management in peanut (Arachis hypogaea) in the United States: challenges and opportunities. Weed Science, 72(1), 5-29. https://doi.org/10.1017/wsc.2023.71
Extension Publications
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/