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Articles de revues sur le sujet « And On-farm Conditions in Florida »

Auteur : Grafiati

Publié le 3 juin 2025

Mis à jour le 31 juillet 2025

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1

Ozores-Hampton, Monica, Eric Simonne, Eugene McAvoy, et al. "Update on Nitrogen BMP Efforts with Tomato Production in Florida." HortScience 41, no. 4 (2006): 994E—995. http://dx.doi.org/10.21273/hortsci.41.4.994e.

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Florida tomato growers generate about $600 million of annual farm gate sales. The Florida Vegetable and Agronomic Crop Water Quality/Quantity Best Management Practices Manual was adopted by rule in the Florida Administrative Code in 2006 and describes cultural practices available to tomato growers that have the potential to improve water quality. By definition, BMPs are specific cultural practices that are proven to optimize yield while minimizing pollution. BMPs must be technically feasible, economically viable, socially acceptable, and based on sound science. The BMP manual for vegetables en

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Wilson, Gene, and Gene D. Sullivan. "Agricultural Banks in the Southeast and Nation: A Study in Contrasts." Journal of Agricultural and Applied Economics 18, no. 1 (1986): 93–102. http://dx.doi.org/10.1017/s0081305200005380.

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With public attention increasingly focused on the farm financial crisis, it seems fitting to examine in some depth the financial positions and lending experiences of agricultural banks. We will briefly present our perceptions of the farm situation and why conditions have deteriorated in the farm sector over the past decade. An overall look at national and regional farm debt follows with emphasis on the share extended by commercial banks. Following a look at the general banking environment, we then turn to a comprehensive examination of the situation in the Southeast defined here as the states

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Ahearn, Mary, and James Sterns. "Direct-to-Consumer Sales of Farm Products: Producers and Supply Chains in the Southeast." Journal of Agricultural and Applied Economics 45, no. 3 (2013): 497–508. http://dx.doi.org/10.1017/s1074070800005010.

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Given the geography and agroclimatic conditions of the Southeast, coupled with continued population expansion from in-migration, local foods markets may be a promising niche market for some farms in the region. The Southeast has more small farms than any other U.S. region. Using farm-level data, we address the question of how successful southeastern farms engaged in direct sales to consumers differ from other farms. We also include a case study of a marketing association in the panhandle of Florida. In both analyses, we focus on the role of the supply chain for direct sales in explaining farm

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Gilbert, R. A., K. J. Boote, and J. M. Bennett. "On-Farm Testing of the pnutGRO Crop Growth Model in Florida1." Peanut Science 29, no. 1 (2002): 58–65. http://dx.doi.org/10.3146/pnut.29.1.0011.

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Abstract pnutGRO is a peanut crop growth simulation model which calculates crop carbon, nitrogen and water balances at the process level. An on-farm evaluation of pnutGRO v1.02 was conducted at 15 field sites in two Florida counties during the 1990 and 1991 cropping seasons. Independent crop and soil data sets were collected to evaluate pnutGRO simulations. The accuracy of the pnutGRO simulations was affected by year and location. Sites where peanut (Arachis hypogaea L.) was grown in rotations following bahiagrass (Paspalum notatum Fleuge) (Levy County, 1990) had low disease pressure, high pod

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BAIDOO, RICHARD, TESFAMARIAM MENGISTU, ROBERT MCSORLEY, ROBERT H. STAMPS, JANETE BRITO, and WILLIAM T. CROW. "Management of Root-knot Nematode (Meloidogyne incognita) onPittosporum tobira Under Greenhouse, Field, and On-farm Conditions in Florida." Journal of Nematology 49, no. 2 (2017): 133–39. http://dx.doi.org/10.21307/jofnem-2017-057.

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Morera, Maria C., Paul F. Monaghan, J. Antonio Tovar-Aguilar, Sebastian Galindo-Gonzalez, Fritz M. Roka, and Cesar Asuaje. "Improving Health and Safety Conditions in Agriculture Through Professional Training of Florida Farm Labor Supervisors." Journal of Agromedicine 19, no. 2 (2014): 117–22. http://dx.doi.org/10.1080/1059924x.2014.886318.

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Onofre, Thiago Borba, Clyde W. Fraisse, Janise McNair, Jasmeet Judge, Lincoln Zotarelli, and Natalia A. Peres. "A Design and Development Experience of an Internet of Things Platform to Monitor Site-Specific Weather Conditions at the Farm Level." Applied Engineering in Agriculture 37, no. 4 (2021): 691–700. http://dx.doi.org/10.13031/aea.14005.

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Highlights We present an Internet of Things (IoT) platform to monitor site-specific weather conditions at the farm level. We built a distributed mesh network of sensor nodes using open-source and open-hardware tools. We tested different communication range scenarios and installation setups. Emerging IoT technologies are susceptible to failure but have the potential to improve site-specific data collection. Abstract . This article describes the design, deployment, and evaluation of an Internet of Things (IoT) platform to monitor site-specific weather conditions at the farm level using wireless

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Ozores-Hampton, Monica, Eric Simonne, Eugene McAvoy, et al. "(225) Challenges and Opportunities with Vegetable BMPs in Southwest Florida." HortScience 40, no. 4 (2005): 1075A—1075. http://dx.doi.org/10.21273/hortsci.40.4.1075a.

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About 10,000 ha of staked tomato are grown each year in the winter–spring season in southwest Florida. Tomatoes are produced with transplants, raised beds, polyethylene mulch, drip or seepage irrigation, and intensive fertilization. With the development of nutrient best management practices (BMPs) for vegetable crops and increased competition among water users, N recommendations must ensure economical yields, but still minimize the environmental impact of tomato production. The current University of Florida–IFAS (UF–IFAS) N fertilization rate of 224 kg·ha-1 (with supplemental fertilizer applic

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Kariuki, Eutychus M., Raymond L. Hix, Stephen D. Hight, Stuart R. Reitz, and Moses T. K. Kairo. "Influence of sun and shade conditions on Gratiana boliviana (Coleoptera: Chrysomelidae) abundance and feeding activity on tropical soda apple (Solanaceae) under field conditions." Florida Entomologist 99, no. 3 (2016): 552. https://doi.org/10.1653/024.099.0334.

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Kariuki, Eutychus M., Hix, Raymond L., Hight, Stephen D., Reitz, Stuart R., Kairo, Moses T. K. (2016): Influence of sun and shade conditions on Gratiana boliviana (Coleoptera: Chrysomelidae) abundance and feeding activity on tropical soda apple (Solanaceae) under field conditions. Florida Entomologist 99 (3): 552, DOI: 10.1653/024.099.0334, URL: http://www.bioone.org/doi/10.1653/024.099.0334

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Dvonch, J. Timothy, Gerald J. Keeler, and Frank J. Marsik. "The Influence of Meteorological Conditions on the Wet Deposition of Mercury in Southern Florida." Journal of Applied Meteorology 44, no. 9 (2005): 1421–35. http://dx.doi.org/10.1175/jam2272.1.

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Abstract Source–receptor relationships for mercury (Hg) and other trace elements wet deposited in southeastern Florida were investigated using daily event precipitation samples collected over a 1-yr period in 1995–96. Data collected in Davie, Florida, showed significantly higher (2.2 times) volume-weighted mean (VWM) Hg concentrations during the spring and summer seasons relative to winter. A meteorological tracer analysis, utilizing the ratio of trace elements lanthanum (La) to cerium (Ce), determined that “feed” air to precipitation cells arriving at the site incorporated local urban emissio

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Shukla, Asmita, Sanjay Shukla, and Alan W. Hodges. "Recovering Nitrogen from Farm-Scale Drainage: Mechanism and Economics." Transactions of the ASABE 61, no. 1 (2018): 197–206. http://dx.doi.org/10.13031/trans.12277.

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Abstract. A two-year study evaluated the nitrogen (N) fluxes, processing, and treatment efficiency (TE) of a 14.85 ha stormwater detention area (SDA) receiving drainage from a vegetable farm in subtropical Florida. The TE was 62% and 89% in years 1 and 2, respectively. Seepage N losses are often ignored in estimating stormwater treatment. Approximately 11% and 20% of the incoming N left the SDA through seepage, reducing the TE to 51% and 67% in years 1 and 2, respectively, indicating the importance of subsurface N losses for downstream water quality. Rainfall variability controlled the timing

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Griffin, Blair S., Donn G. Shilling, Jerry M. Bennett, and Wayne L. Currey. "The Influence of Water Stress on the Physiology and Competition of Soybean (Glycine max) and Florida Beggarweed (Desmodium tortuosum)." Weed Science 37, no. 4 (1989): 544–51. http://dx.doi.org/10.1017/s0043174500072386.

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Replacement studies were conducted under greenhouse conditions to determine if available soil water influences the competitive interaction between soybean and Florida beggarweed. Stomatal conductance and leaf water potential were determined for both species under different levels of available soil water to identify possible mechanisms involved in changes in the relative competitiveness induced by the water deficits. Soybean leaf area and aboveground biomass were greater than for Florida beggarweed under optimum water, but equal to or less than Florida beggarweed with water stress. Soybean was

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Djidonou, Desire, Zhifeng Gao, and Xin Zhao. "Economic Analysis of Grafted Tomato Production in Sandy Soils in Northern Florida." HortTechnology 23, no. 5 (2013): 613–21. http://dx.doi.org/10.21273/horttech.23.5.613.

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In addition to controlling soilborne diseases, grafting with selected rootstocks has the potential to enhance growth and yields in tomato (Solanum lycopersicum) production. However, information is rather limited regarding its economic viability in different production systems in the United States. The objective of this study was to compare the costs and returns of grafted vs. nongrafted fresh-market tomato production under common management practices in fumigated fields in northern Florida. The field trials were conducted in Live Oak, FL, during Spring 2010 and 2011. ‘Florida 47’ tomato was gr

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Ayankojo, Ibukun T., and Kelly T. Morgan. "Increasing Air Temperatures and Its Effects on Growth and Productivity of Tomato in South Florida." Plants 9, no. 9 (2020): 1245. http://dx.doi.org/10.3390/plants9091245.

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Florida ranks first among US states in fresh-market tomato production with annual production exceeding one-third of the total annual production in the country. Although tomato is a signature crop in Florida, current and future ambient temperatures could impose a major production challenge, especially during the fall growing season. This problem is increasingly becoming an important concern among tomato growers in south Florida, but studies addressing these concerns have not been conducted until now. Therefore, this study was conducted to determine the impacts of the present ambient temperature

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Worthington*, Christine M., and Chad M. Hutchinson. "Environmental Stressors That May Influence Internal Heat Necrosis in Potato Production in Northeast Florida." HortScience 39, no. 4 (2004): 748D—748. http://dx.doi.org/10.21273/hortsci.39.4.748d.

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`Atlantic' potatoes (Solanum tuberosum L.) are grown on approximately 8100 hectares with seepage irrigation in Northeast Florida's Tri-County Agricultural Area (St. Johns, Putnam, and Flagler counties). `Atlantic' is preferred for its chipping quality, high specific gravity and yield, but is susceptible to internal heat necrosis (IHN), a physiologic disorder that affects potato tuber quality. The relationships of environmental stressors (growing degree days, GDD and rainfall) to IHN were evaluated on two fields (fields 3 and 4) on a local producer's farm. IHN reduced marketable tuber yield by

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Morera, Maria C., Paul F. Monaghan, J. Antonio Tovar-Aguilar, Sebastian Galindo-Gonzalez, Fritz M. Roka, and Cesar Asuaje. "Improving Health and Safety Conditions in Agriculture Through Professional Training of Florida Farm Labor Supervisors: Preliminary Findings of a Program Evaluation." Journal of Agromedicine 19, no. 2 (2014): 226–27. http://dx.doi.org/10.1080/1059924x.2014.891484.

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Davtalab, Rahman, Ali Mirchi, Rebecca J. Harris, Mark X. Troilo, and Kaveh Madani. "Sea Level Rise Effect on Groundwater Rise and Stormwater Retention Pond Reliability." Water 12, no. 4 (2020): 1129. http://dx.doi.org/10.3390/w12041129.

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The coastal areas of Florida, United States, are exposed to increasing risk of flooding due to sea level rise as well as severe hurricanes. Florida regulations suggest constructing stormwater retention ponds as an option to retain excess runoff generated by the increased impervious area and to protect the environment by reducing pollutants from new developments. Groundwater level rise can significantly lower the soil storage capacity and infiltration at retention ponds, in turn, reducing the pond’s capacity to capture consecutive storms due to longer pond volume recovery time. Partial groundwa

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Moura, Vitor A. S., Larissa C. Ferreira, Marcio F. R. Resende, and Katia V. Xavier. "Tar Spot on Maize: Impact of Soil Types and Environmental Conditions on the Survival of Phyllachora maydis in the Subtropical Climate of Florida." Journal of Fungi 11, no. 6 (2025): 443. https://doi.org/10.3390/jof11060443.

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Tar spot, caused by Phyllachora maydis, is an established maize disease in the Midwest of the United States but remains an emerging concern in Florida. While this pathogen can overwinter on plant residue, its survival in Florida’s subtropical environment is not well understood. This study evaluated how environmental factors affect the germination of P. maydis ascospores and stroma integrity. Symptomatic maize leaves were incubated under four conditions: Histosol soil (muck), Krome soil (rocky), 4 °C, and 23 °C. Extensive leaf decomposition occurred in both soil types, with most plant material

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Xiao, Hong, Fei Tan, Pierre Goovaerts, et al. "Multilevel Factors Associated With Overall Mortality for Men Diagnosed With Prostate Cancer in Florida." American Journal of Men's Health 8, no. 4 (2013): 316–26. http://dx.doi.org/10.1177/1557988313512862.

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To identify individual and contextual factors contributing to overall mortality among men diagnosed with prostate cancer in Florida, a random sample of patients (between October 1, 2001, and December 31, 2007) was taken from the Florida Cancer Data System. Patient’s demographic and clinical information were obtained from the Florida Cancer Data System. Comorbidity was computed following the Elixhauser Index method. Census-tract-level socioeconomic status and farm house presence were extracted from Census 2000 and linked to patient data. The ratio of urologists and radiation oncologists to pros

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Zuo, Yayun, Kang Wang, Fangfei Lin, et al. "Sublethal effects of indoxacarb and beta-cypermethrin on Rhopalosiphum padi (Hemiptera: Aphididae) under laboratory conditions." Florida Entomologist 99, no. 3 (2016): 445–50. https://doi.org/10.1653/024.099.0316.

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Zuo, Yayun, Wang, Kang, Lin, Fangfei, Li, Yuting, Peng, Xiong, Piñero, Jaime C., Chen, Maohua (2016): Sublethal effects of indoxacarb and beta-cypermethrin on Rhopalosiphum padi (Hemiptera: Aphididae) under laboratory conditions. Florida Entomologist 99 (3): 445-450, DOI: 10.1653/024.099.0316, URL: http://www.bioone.org/doi/10.1653/024.099.0316

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Sandhu, Hardev, Maninder Singh, Robert Gilbert, et al. "Effects of Harvest Method on Microclimate in Florida Sugarcane." EDIS 2015, no. 4 (2015): 3. http://dx.doi.org/10.32473/edis-sc100-2015.

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The production systems for sugarcane include either green cane or burnt cane harvesting operations. Sugarcane in Florida is typically harvested with burnt cane mechanical harvesting, but there is a growing interest to better understand the effects of green cane harvest residue “trash blankets” on microclimate conditions for sugarcane growing on both organic and mineral soils of Florida, so the authors conducted a three-year study to determine the effects of each harvest method on microclimate within the surface soil profile and at a 10 cm height from the soil surface. Results are presented in

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Gardina, John, Robert H. Littrell, and Richard T. Hanlin. "Anthracnose of Florida Beggarweed (Desmodium tortuosum) Caused byColletotrichum truncatum." Weed Science 36, no. 3 (1988): 329–34. http://dx.doi.org/10.1017/s0043174500074968.

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Greenhouse and growth chamber studies were conducted to determine conditions for infection of the fungal pathogenColletotrichum truncatum(Schw.) Andrus and Moore on Florida beggarweed (Desmodium tortuosum(Sw.) DC. # DEDTO and to determine the host specificity of this fungus. Optimum conditions for disease development were 14 to 16 h incubation in 100% relative humidity (RH) at 24 to 29 C. Control of Florida beggarweed with 105to 107C. truncatumspores/ml was greatest in the cotyledon stage and decreased with plant age. Ten of 18Desmodiumspecies tested were susceptible to the Florida beggarweed

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Kunapinun, Alisa, William Fairman, Paul S. Wills, Dennis Hanisak, and Bing Ouyang. "Advancing Seaweed Cultivation: Integrating Physics Constraint in Machine Learning for Enhanced Biomass Forecasting in IMTA Systems." Remote Sensing 16, no. 23 (2024): 4418. http://dx.doi.org/10.3390/rs16234418.

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Monitoring seaweed growth rates and biomass is crucial for optimizing harvest strategies in aquaculture systems. While such a task can be managed manually on a small farm with a few seaweed tanks, it is not feasible on a commercial farm with 1000s of tanks. To this end, an Internet of Things (IoT) based seaweed growth monitoring system is being developed at Harbor Branch Oceanographic Institute (HBOI) at Florida Atlantic University (FAU). Using the Integrated Multi-Trophic Aquaculture (IMTA) system at HBOI as the test site, the project aims to develop a solution that allows farm managers to mo

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Timmer, L. W., P. D. Roberts, H. M. Darhower, et al. "Epidemiology and Control of Citrus Greasy Spot in Different Citrus-Growing Areas in Florida." Plant Disease 84, no. 12 (2000): 1294–98. http://dx.doi.org/10.1094/pdis.2000.84.12.1294.

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Greasy spot, caused by Mycosphaerella citri, causes defoliation and yield losses on grapefruit in all areas of Florida, but is more severe in southwest Florida and the east coast than in central Florida. The amount of leaf litter, numbers of ascospores produced, and severity of greasy spot on trap plants were monitored throughout 1997 and 1998 in Immokalee (southwest Florida) and Lake Alfred (central Florida). Leaf litter and ascospore production were greatest from March to July in both locations, with little litter and few ascospores thereafter. Ascospore production occurred earlier in Immoka

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Dabees, Mohamed. "MORPHOLOGIC RESPONSE OF BEACHES AND TIDAL INLETS TO HURRICANE IRMA IN SOUTHWEST FLORIDA, USA." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 61. http://dx.doi.org/10.9753/icce.v36.sediment.61.

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Hurricane Irma was a major Hurricane in the 2017 tropical season that reached category 5 and caused catastrophic damage in parts of the northeastern Caribbean and the Florida Keys. Irma was the strongest observed storm and the most intense in the Atlantic since 2005. Irma developed on August 30, 2017 near the west African coast then intensified into a hurricane on the Saffirâ€“ Simpson scale within one day. Irma became a major storm at Category 3 hurricane On September 5, 2017 then reached its peak of Category 5 hurricane with intensity of 185 mph (295 km/h) winds. Irma was a Category 4 hurric

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Scheunemann, Tiago, Alexandra Peter Krüger, Victor Anderssen Perleberg, Andrés Gonzalez Ritzel, Daniel Bernardi, and Dori Edson Nava. "Effect of Different Thermal Conditions on Biology and Number of Generations of Palpita forficifera (Lepidoptera: Crambidae)." Florida Entomologist 104, no. 4 (2021): 282–88. https://doi.org/10.1653/024.104.0405.

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Scheunemann, Tiago, Krüger, Alexandra Peter, Perleberg, Victor Anderssen, Ritzel, Andrés Gonzalez, Bernardi, Daniel, Nava, Dori Edson (2021): Effect of Different Thermal Conditions on Biology and Number of Generations of Palpita forficifera (Lepidoptera: Crambidae). Florida Entomologist 104 (4): 282-288, DOI: 10.1653/024.104.0405, URL: http://dx.doi.org/10.1653/024.104.0405

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Briggs-Gonzalez, Venetia S., Mathieu Basille, Michael S. Cherkiss, and Frank J. Mazzotti. "American crocodiles (Crocodylus acutus) as restoration bioindicators in the Florida Everglades." PLOS ONE 16, no. 5 (2021): e0250510. http://dx.doi.org/10.1371/journal.pone.0250510.

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The federally threatened American crocodile (Crocodylus acutus) is a flagship species and ecological indicator of hydrologic restoration in the Florida Everglades. We conducted a long-term capture-recapture study on the South Florida population of American crocodiles from 1978 to 2015 to evaluate the effects of restoration efforts to more historic hydrologic conditions. The study produced 10,040 crocodile capture events of 9,865 individuals and more than 90% of captures were of hatchlings. Body condition and growth rates of crocodiles were highly age-structured with younger crocodiles presenti

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Cabrera, Victor E., Norman E. Breuer, Peter E. Hildebrand, and David Letson. "The dynamic North Florida dairy farm model: A user-friendly computerized tool for increasing profits while minimizing N leaching under varying climatic conditions." Computers and Electronics in Agriculture 49, no. 2 (2005): 286–308. http://dx.doi.org/10.1016/j.compag.2005.07.001.

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Washburn, Scott S., Douglas S. McLeod, and Kenneth G. Courage. "Adaptation of Highway Capacity Manual 2000 for Planning-Level Analysis of Two-Lane and Multilane Highways in Florida." Transportation Research Record: Journal of the Transportation Research Board 1802, no. 1 (2002): 62–68. http://dx.doi.org/10.3141/1802-08.

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A planning-level adaptation was developed of the Highway Capacity Manual (HCM) 2000 procedure for estimating the level of service (LOS) on two-lane and multilane highways in Florida. The problems associated with planning-level adaptations in general and with uninterruptedflow highways in particular were identified. Although much of the adaptation was achieved though the use of default values for data items, some departures from the HCM procedures were required. The most significant deviation was the creation of a third class of two-lane highway to supplement the two classes currently defined i

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Agehara, Shinsuke, and Maria Cecilia do Nascimento Nunes. "Season and Nitrogen Fertilization Effects on Yield and Physicochemical Attributes of Strawberry under Subtropical Climate Conditions." Agronomy 11, no. 7 (2021): 1391. http://dx.doi.org/10.3390/agronomy11071391.

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Strawberry (Fragaria ×ananassa Duch.) yields in winter production regions are greatly affected by early-season nitrogen (N) fertilization, especially when pre-plant N is not applied. In Florida, United States, applying N at high rates during the early season is a common fertilization practice, but little is known about its impact on fruit quality. The objective of this study was to examine season and early-season N fertilization effects on yield and physicochemical attributes of ‘Florida Radiance’ strawberry grown under subtropical climate conditions. Field experiments were conducted in west-c

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Etherton, Brian, and Pablo Santos. "Sensitivity of WRF Forecasts for South Florida to Initial Conditions." Weather and Forecasting 23, no. 4 (2008): 725–40. http://dx.doi.org/10.1175/2007waf2006115.1.

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Abstract This study presents results from an experiment conducted to measure the impact of locally initializing a numerical weather prediction model on that model’s ability to predict precipitation and other surface parameters. The study consisted of quantifying the impact of initializing the Weather and Research Forecast (WRF) model with the Advanced Weather Interactive Processing System (AWIPS) Local Analysis and Prediction System (LAPS) diagnostic analyses. In the experiment, WRF was run for two different initial times: 0600 and 1800 UTC. For each initial time, the model was run twice, once

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Vargas, Hector, Asif Raihan, Priyanka Alluri, and Albert Gan. "Jurisdiction-Specific versus SafetyAnalyst-Default Safety Performance Functions: Case Study on Two-Lane and Multi-Lane Arterials." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 10 (2019): 501–9. http://dx.doi.org/10.1177/0361198119848710.

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Network screening is the most important step in the highway safety management process. Screening criteria based on the empirical Bayes (EB) approach are considered to be most reliable as it accounts for the regression-to-the-mean bias. However, the EB approach requires safety performance functions (SPFs), preferably calibrated to local conditions, which are often unavailable. The SafetyAnalyst software, developed by the Federal Highway Administration, automates the EB approach using the default SPFs which were developed using multiple states’ data. Local agencies are encouraged to develop juri

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Olson, Stephen M., and Joshua H. Freeman. "Collard Cultivar Evaluations in Northern Florida." HortTechnology 18, no. 3 (2008): 536–38. http://dx.doi.org/10.21273/horttech.18.3.536.

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Nine collard (Brassica oleracea acephala group) cultivars were evaluated on six experiments over 4 years to determine how well they performed with respect to yield, plant weight, and bolting tolerance. Experiments covered spring, fall, and winter seasons to determine if one cultivar would be useful for all conditions. ‘Top Pick’, ‘Flash’, and ‘Blue Max’ were found to be the best performing cultivars with respect to yield and plant weight. In general, the hybrid cultivars outperformed the open-pollinated cultivars. Only during one experiment were the cultivars subjected to environmental conditi

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Ping, W. Virgil, Ling Ge, and Zhiliang Yu. "Evaluation of Pavement Bearing Characteristics Using Florida Limerock Bearing Ratio Test." Transportation Research Record: Journal of the Transportation Research Board 1547, no. 1 (1996): 53–60. http://dx.doi.org/10.1177/0361198196154700108.

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A laboratory study performed to evaluate pavement bearing characteristics by the Florida limerock bearing ratio (LBR) test is presented. The LBR is a modification of the California bearing ratio test and has been widely used in Florida for the design of pavement structures. The LBR evaluation is part of a larger research project studying existing pavement conditions in Florida. A field experimental program was recently conducted on 20 selected pavement sites across the state of Florida. The LBR test was performed on pavement soils obtained from the field test sites. The LBR test results were a

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Strayer-Scherer, Amanda, Ying-Yu Liao, Peter Abrahamian, et al. "Integrated Management of Bacterial Spot on Tomato in Florida." EDIS 2019, no. 6 (2019): 8. http://dx.doi.org/10.32473/edis-pp353-2019.

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     Bacterial spot is one of the most detrimental diseases of tomato and is especially severe in the southeast United States when weather conditions (high temperature, high humidity, and rain) become conducive for disease development. This new 8-page publication of the UF/IFAS Plant Pathology Department presents updated information about the causal pathogen and management of bacterial spot on tomato in Florida. Written by Amanda Strayer-Scherer, Ying-Yu Liao, Peter Abrahamian, Sujan Timilsina, Mathews Paret, Tim Momol, Jeff Jones, and Gary Vallad.https://edis.ifa

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Yang, Jidong, Jian John Lu, Manjriker Gunaratne, and Qiaojun Xiang. "Forecasting Overall Pavement Condition with Neural Networks: Application on Florida Highway Network." Transportation Research Record: Journal of the Transportation Research Board 1853, no. 1 (2003): 3–12. http://dx.doi.org/10.3141/1853-01.

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Timely identification of undesirable crack, ride, and rut conditions is a critical issue in pavement management systems at the network level. The overall pavement surface condition is determined by these individual pavement surface conditions. A research project was carried out to implement an overall methodology for pavement condition prediction that uses artificial neural networks (ANNs). In the research, three ANN models were developed to predict the three key indices—crack rating, ride rating, and rut rating—used by the Florida Department of Transportation (FDOT) for pavement evaluation. T

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Rana, Neha, Barton J. Wilder, Brent A. Sellers, Jason A. Ferrell, and Gregory E. MacDonald. "Effects of Environmental Factors on Seed Germination and Emergence of Smutgrass (Sporobolus indicus) Varieties." Weed Science 60, no. 4 (2012): 558–63. http://dx.doi.org/10.1614/ws-d-11-00208.1.

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Smutgrass is an invasive warm-season perennial bunch-type grass native to tropical Asia. The two varieties of smutgrass prevalent in Florida are small smutgrass and giant smutgrass. Laboratory seed germination experiments were conducted on both smutgrass varieties to determine the effect of various environmental factors on germination and emergence. The average germination rate for both varieties was 88% at 30/20 C day/night temperatures. Seed germination for both varieties was greater under simulated temperature flux than at constant temperatures. Seed of both varieties germinated at four sim

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López-García, Guillermo P., Micaela Buteler, and Teodoro Stadler. "Effects of dietary intake of volcanic ash from Puyehue Cordon Caulle on Tenebrio molitor (Coleoptera: Tenebrionidae) larvae under laboratory conditions." Florida Entomologist 101, no. 1 (2018): 97–101. https://doi.org/10.1653/024.101.0117.

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López-García, Guillermo P., Buteler, Micaela, Stadler, Teodoro (2018): Effects of dietary intake of volcanic ash from Puyehue Cordon Caulle on Tenebrio molitor (Coleoptera: Tenebrionidae) larvae under laboratory conditions. Florida Entomologist 101 (1): 97-101, DOI: 10.1653/024.101.0117, URL: http://www.bioone.org/doi/10.1653/024.101.0117

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Creed, Christopher G., Nicole S. Sharp, and Steven C. Howard. "PORT EVERGLADES SAND BYPASSING: AN IMPORTANT FUTURE SAND SOURCE FOR SOUTH FLORIDA." Coastal Engineering Proceedings, no. 36 (December 30, 2018): 18. http://dx.doi.org/10.9753/icce.v36.risk.18.

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This paper will describe the history, planning, design, and construction of a new sand bypass project at Port Everglades Inlet in Broward County, Florida, USA. The sand bypass project will address one of the most significant remaining inlet sand management needs in Florida. The discussion will focus on the importance of the sand bypass project to the future sustainability of beaches in South Florida where beach nourishment sand from traditional sources has been depleted. The paper will also highlight the highly complex physical, environmental, and socio-political conditions that have guided th

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Pluckhahn, Thomas J., and David K. Thulman. "Historical ecology reveals the “surprising” direction and extent of shifting baselines for the Florida manatee (Trichechus manatus latirostis)." PLOS ONE 19, no. 11 (2024): e0313070. http://dx.doi.org/10.1371/journal.pone.0313070.

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Historical data are often overlooked in risk assessments and recovery plans for marine animals, resulting in the “shifting baselines.” Historical ecological studies demonstrate the “surprising” extent to which contemporary assumptions misrepresent premodern baselines. The Florida manatee, a subspecies of the West Indian manatee found primarily in Florida, USA, faces several existential threats, but risk assessments and recovery targets for the species are hindered by poor understanding of historical baselines. We conducted systematic and opportunistic reviews of archaeological and historical r

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Arapis, Theodore, and Vincent Reitano. "A Glimmer of Optimism in Government Savings Accumulation? An Empirical Examination of Municipal Unassigned Fund Balance in Florida." Public Finance Review 46, no. 3 (2016): 389–420. http://dx.doi.org/10.1177/1091142116643386.

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Few would question that the Great Recession and its aftermath have proved challenging for government financial management. This depressed economic environment has renewed interest in research involving the accumulation and use of the unassigned fund balance. In this study, we use data on Florida cities to examine the factors affecting the unassigned fund balance before, during, and after the Great Recession. According to our findings, building and maintaining savings at high levels have become routine for Florida cities, irrespective of their government form and the economic conditions they fa

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Anco, Daniel J., Lisa Rouse, Leon Lucas, et al. "Spatial and Temporal Physiognomies of Whitefly and Tomato Yellow Leaf Curl Virus Epidemics in Southwestern Florida Tomato Fields." Phytopathology® 110, no. 1 (2020): 130–45. http://dx.doi.org/10.1094/phyto-05-19-0183-fi.

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Epidemics of tomato yellow leaf curl virus (TYLCV; species Tomato yellow leaf curl begomovirus) have been problematic to tomato production in the southeastern United States since the first detection of the virus in Florida in the late 1990s. Current strategies for management focus on farm-centric tactics that have had limited success for controlling either TYLCV or its whitefly vector. Areawide pest management (AWPM)—loosely defined as a coordinated effort to implement management strategies on a regional scale—may be a viable management alternative. A prerequisite for development of an AWPM pr

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Triantafillidis, D., C. Ligda, A. Georgoudis, and J. Boyazoglu. "The Florina (Pellagonia) sheep breed." Animal Genetic Resources Information 22 (April 1997): 7–13. http://dx.doi.org/10.1017/s1014233900000961.

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SummaryThe Florina (or Pellagonia) sheep, which have descended from ancient indigenous Greek populations, are on the way to extinction. A small number of animals are found in the region of West Macedonia. The breed belongs to the semi fat-tailed Ruda wool type sheep, is well adapted to harsh mountain conditions and shows resistance to diseases. Recorded farms are kept at the Agricultural Research Station of Koila in Kozani, at the T. E. I. farm of Florina, at the Animal Husbandry Institute of Gianitsa and at the Agricultural Research Station of Komotini. The average commercialised milk product

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Parkos, Joseph J., and Joel C. Trexler. "Origins of functional connectivity in a human-modified wetland landscape." Canadian Journal of Fisheries and Aquatic Sciences 71, no. 9 (2014): 1418–29. http://dx.doi.org/10.1139/cjfas-2013-0553.

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Spatial heterogeneity in habitat conditions within a landscape should influence degree of movement of species between natural and artificial environments. For wetland landscapes, this functional connectivity was predicted to emerge from the influence of spatiotemporal patterns of depth on permeability of habitat edges and distance and directedness of cross-habitat dispersal. We quantified how connectivity between canals and marshes of the Florida Everglades varies with species and landscape patterns bordering canals by using radio telemetry to measure movement of a native (Florida largemouth b

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Abiy, Anteneh Z., Ruscena P. Wiederholt, Gareth L. Lagerwall, Assefa M. Melesse, and Stephen E. Davis. "Multilayer Feedforward Artificial Neural Network Model to Forecast Florida Bay Salinity with Climate Change." Water 14, no. 21 (2022): 3495. http://dx.doi.org/10.3390/w14213495.

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Florida Bay is a large, subtropical estuary whose salinity varies from yearly and seasonal changes in rainfall and freshwater inflows. Water management changes during the 20th century led to a long-term reduction in inflows that increased mean salinity, and the frequency and severity of hypersalinity. Climate change may exacerbate salinity conditions in Florida Bay; however, future salinity conditions have not been adequately evaluated. Here, we employed a Multilayer Feedforward Artificial Neural Network model to develop baseline salinity models for nearshore and offshore sites. Then, we exami

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Mao, Yu Xiang, Hai Lin Wang, and Mei Wang. "Study on Mercury Methylation in Sediment Using Enriched Stable Isotope Tracer." Applied Mechanics and Materials 71-78 (July 2011): 3201–6. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.3201.

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Methylmercury (MeHg) production from inorganic mercury in natural environment leads to bioaccumulation in fish, putting human being under the risk of exposure. This study investigated the transformation of enriched stable isotope tracer,199Hg2+, in sediment slurry of the Florida Everglades. Incubation experiments were conducted under four different laboratory conditions. The results suggest that methylation of mercury mainly happened under anaerobic condition, with microbial activity playing the major role. The relative methylation rate was determined to be 1% per day at the first few days, an

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Kumara, Wasantha, Mang Tia, Chung-Lung Wu, and Bouzid Choubane. "Evaluation of Applicability of Ultrathin Whitetopping in Florida." Transportation Research Record: Journal of the Transportation Research Board 1823, no. 1 (2003): 39–46. http://dx.doi.org/10.3141/1823-05.

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A three-dimensional (3-D) finite element model for stress analysis of pavements with ultrathin whitetopping (UTW) under critical loading conditions was developed. The 3-D model developed was used to analyze the UTW test pavement sections at the Ellaville Weigh Station in Florida, which had less than satisfactory performance. The poorly performing UTW sections at the Ellaville Weigh Station were found to have relatively higher maximum computed stresses under critical loading conditions, which appeared to explain their poor performance and high percentages of cracked slabs. The 3-D model develop

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Izuno, F. T., R. W. Rice, and L. T. Capone. "Best Management Practices Enable the Coexistence of Agriculture and the Everglades Environment." HortScience 31, no. 4 (1996): 690d—690. http://dx.doi.org/10.21273/hortsci.31.4.690d.

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Situated at the northern end of the historical Florida Everglades is the 280,000-ha tract of land called the Everglades Agricultural Area (EAA). This land was diked, canalized, and drained in the early 1900s to encourage the production of primarily sugarcane, vegetables, sod, and rice on its Histosols. The phosphorus in drainage water from the EAA is believed to be causing undesirable changes to the ecosystem in areas subject to legislated environmental protection. Phosphorus (P) load reduction “Best Management Practices” (BMPs) are being developed and implemented in the EAA to reduce agricult

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Muñoz-Carpena, Rafael, Yuncong C. Li, Waldemar Klassen, and Michael D. Dukes. "Field Comparison of Tensiometer and Granular Matrix Sensor Automatic Drip Irrigation on Tomato." HortTechnology 15, no. 3 (2005): 584–90. http://dx.doi.org/10.21273/horttech.15.3.0584.

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A low-volume/high frequency (LVHF) soil moisture-based drip irrigation system was tested on a shallow sandy soil at a commercial tomato (Lycopersicon esculentum) farm in southern Florida. Six LVHF irrigation treatments were compared with the standard commercial practice on the farm (control), where a portable pump was used for manual drip irrigation twice each week. In the six LVHF treatments the system was continuously pressurized by means of an electrical pump and a pressure tank, and controlled by an irrigation timer set to irrigate a maximum of five times per day with the irrigation time (

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Missimer, Thomas M., Christopher Teaf, Robert G. Maliva, Ashley Danley-Thomson, Douglas Covert, and Michael Hegy. "Natural Radiation in the Rocks, Soils, and Groundwater of Southern Florida with a Discussion on Potential Health Impacts." International Journal of Environmental Research and Public Health 16, no. 10 (2019): 1793. http://dx.doi.org/10.3390/ijerph16101793.

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Southern Florida is underlain by rocks and sediments that naturally contain radioactive isotopes. The primary origin of the radioactive isotopes is Miocene-aged phosphate deposits that can be enriched in uranium-238 and its daughter isotopes. Nodular phosphate containing radionuclides from the Miocene has been reworked into younger formations and is ubiquitous in southern Florida. When the nodular phosphate is exposed to groundwater with geochemical conditions favorable for its dissolution, uranium, radium, and radon may be released into the groundwater system. Uranium concentrations have been

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