SUSTAINING THE WORLD THROUGH SCIENCE AND TECHNOLOGY

Plant and Soil Sciences | Faculty

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Amy Shober


Education Professional Experience Professional Activities and Affiliations

American Society of Agronomy (ASA)

American Society of Horticultural Sciences (ASHS)
Hillsborough River Watershed Alliance

Soil Science Society of America (SSSA)

Southern Extension Research Activity (SERA-17) – Phosphorus Workgroup

Southern Regional Water Quality Program (USDA-NIFA)

Awards and Distinctions

Peer-Reviewed Publications

  1. *Qin, Z., A.L. Shober, R.C. Beeson, Jr., C. Wiese. 2013. Nutrient leaching from mixed species Florida residential landscapes. Journal of Environmental Quality. In Review.
  2. Shober, A.L., G. Shurberg, C. Wiese, N.G. West, G.C. Denny, K.A. Moore, and G.W. Knox. 2013. Growth and quality response of landscape-grown woody ornamentals to nitrogen fertilization rates. HortTechnology. In Review.
  3. *Pearson, B.J., R.C. Beeson, C. Reinhart-Adams, A. Shober. 2013. Determining variability in characteristics of residential landscape soils that influence infiltration rates. Arboriculture and Urban Forestry. Accepted pending revisions.
  4. *Loper, S., A.L. Shober, C. Wiese, G.C. Denny, C.D. Stanley and E.F. Gilman. 2013. Nutrient leaching from compost and tillage amended simulated residential landscapes. Journal of Environmental Quality 42(1): doi:10.2134/jeq2012.0098.
  5. Nelson, N.O. and A.L. Shober. 2012. Evaluation of phosphorus indices after twenty years of science and development. Journal of Environmental Quality 41(6):1703-1710. doi: 10.2134/jeq2012.0342
  6. *Marriott, J.M, A.L. Shober, P. Monaghan, and C. Wiese. 2012. Evaluation of equine owner and manager awareness of nutrient management and conservation techniques on small farms. Journal of Extension 50(5): Article 5RIB4.
Additional Peer Reviewed Publications [ + ]
  • *Shurberg, G., A.L. Shober, C. Wiese, G.C. Denny, G.W. Knox, K.A. Moore, and M.C. Giurcanu. 2012. Growth and quality response of five landscape-grown herbaceous perennials to nitrogen fertilization at five rates. HortTechnology 22(6): 787-797.
  • Carey, R.O., G.J. Hochmuth, C.J. Martinez, T.H. Boyer, V.D. Nair., M.D. Dukes, G.S. Toor, A.L. Shober, J.L. Cisar, L.E. Trenholm, and J.B. Sartain. 2012. Regulatory and resource management practices for urban watersheds: The Florida experience. HortTechnology 22(4): 418-429.
  • Carey, R.O., G.J. Hochmuth, C.J. Martinez, T.H. Boyer, V.D. Nair., M.D. Dukes, G.S. Toor, A.L. Shober, J.L. Cisar, L.E. Trenholm, and J.B. Sartain. 2012. A review of turfgrass fertilizer management practices: Implications for urban water quality. HortTechnology 22(3): 280-291.
  • *Shurberg, G., A.L. Shober, C. Wiese, G.C. Denny, G.W. Knox, K.A. Moore, and M.C. Giurcanu. 2012. Response of landscape-grown warm- and cool-season annuals to nitrogen fertilization at five rates. HortTechnology 22 (3): 368-375.
  • Shober, A.L., C. Wiese, G.C. Denny, C.D. Stanley, and B.K. Harbaugh. 2011. Plant performance and nutrient losses during containerized shrub production using composted dairy manure solids as a peat substitute in substrate. HortTechnology 21(2): 240-245.
  • *Loper, S., A.L. Shober, C. Wiese, G.C. Denny, C.D. Stanley and E.F. Gilman. 2010. Organic soil amendment and tillage affect soil quality and plant performance in simulated residential landscapes. HortScience 45(10): 1522-1528.
  • Shober, A.L., G.C. Denny, and T.K. Broschat. 2010. Management of fertilizers and water for ornamental plants in urban landscapes: Current practices and impacts on water resources in Florida. HortTechnology 20(1): 94-106.
  • Shober, A.L., K.A. Moore, C. Wiese, S.M. Scheiber, E. F. Gilman and M. Paz. 2010. Native and non-native shrub species post-transplant performance under low volume irrigation in three hardiness zones. HortTechnology 20(4): 751-757.
  • Shober, A.L., C. Wiese, G.C. Denny, C.D. Stanley, B.K. Harbaugh, and J. Chen. 2010. Plant performance and nutrient losses during containerized bedding plant production using composted dairy manure solids as a peat substitute in substrate. HortScience 45(10): 1516-1521.
  • White, J.W., F.J. Coale, J.T. Sims, and A.L. Shober. 2010. Phosphorus runoff from waste water treatment biosolids and poultry litter applied to agricultural soils. Journal of Environmental Quality 39(1): 314-323.
  • Gilman, E.F., C.L. Wiese, M. Paz, A.L. Shober, S.M. Scheiber, K.A. Moore, and M.M. Brennan. 2009. Effects of irrigation volume and frequency on shrub establishment in the landscape. Journal of Environmental Horticulture 27(3): 149-154.
  • Shober, A.L., S. Davis, M.D. Dukes, G.C. Denny, and S.G. Park Brown. 2009. Performance of Florida landscape plants when irrigated by ET-based controllers and time-based methods. Journal of Environmental Horticulture 27(4): 251-256.
  • Shober, A.L. and J.T. Sims. 2009. Evaluating phosphorus release from biosolids and manure amended soils under reducing conditions. Journal of Environmental Quality 38(1): 309-319.
  • Shober, A.L., K.A. Moore, C. Wiese, S.M. Scheiber, E. F. Gilman, M. Paz, M.M. Brennan and S. Vyapari. 2009. Irrigation frequency affects growth of sweet viburnum during landscape establishment in three hardiness zones. HortScience 44(6): 1683-1687.
  • Wiese, C.L., A.L. Shober, E.F. Gilman, M. Paz, K.A. Moore, S.M. Scheiber, M.M. Brennan and S. Vyapari. 2009. Effects of irrigation frequency during establishment on the growth of Ilex cornuta ‘Burfordii Nana’ and Pittosporum tobira ‘Variegata’. HortScience 44(5):1438-1443.
  • Shober, A.L., G.L. Leibee, and M.L. Kok-Yokomi. 2008. Response of Loropetalum chinense var. rubrum ‘Ruby’ to foliar applications of micronutrient fertilizers and miticide. Journal of Environmental Horticulture 26(4):235-238.
  • Shober, A.L. and J.T. Sims. 2007. Integrating phosphorus source and soil properties into risk assessments for phosphorus loss. Soil Science Society of America Journal 71: 551-560.
  • Shober, A.L., R.C. Stehouwer, and K.E. MacNeal. 2007. Chemical fractionation of trace elements in biosolids-amended soils and correlation with trace elements in crop tissue. Communications in Soil Science and Plant Analysis 38: 1029-1046.
  • Kleinman, P.J., D. Sullivan, A. Wolf, R. Brandt, Z. Dou, H. Elliott, J. Kovar, A. Leytem, R. Maguire, P. Moore, L. Saporito, A. Sharpley, A. Shober, J.T. Sims, G. Toor, J. Toth, H. Zhang, and T. Zhang. 2007. Selection of a water extractable phosphorus test for manure and biosolids as an indicator of runoff loss potential. Journal of Environmental Quality 36:1357-1367.
  • Shober, A.L., D.L. Hesterberg, J.T. Sims and S. Gardner. 2006. Characterization phosphorus species in biosolids and manures using XANES spectroscopy. Journal of Environmental Quality 35(6):1983-1993.
  • Shober, A.L. and J.T. Sims. 2003. Phosphorus restrictions for land application of biosolids: Current status and future trends. Journal of Environmental Quality 32(6):1955-1964.
  • Shober, A.L., R.C. Stehouwer, and K.E. MacNeal. 2003. On-farm assessment of biosolids effects on soil and crop tissue quality. Journal of Environmental Quality 32(5):1873-1880.
Peer-Reviewed Extension Publications (†indicates work completed at UD)
  1. Shober, A.L., J.T. Sims, and K.L. Gartley. 2013. Interpreting soil phosphorus and potassium tests. University of Delaware, Newark, DE. http://extension.udel.edu/factsheet/interpreting-soil-phosphorus-and-potassium-tests/
  2. Shober, A.L. and J.T. Sims. 2013. Soil management options based on the phosphorus site index. University of Delaware, Newark, DE. http://extension.udel.edu/factsheet/soil-management-options-based-on-the-phosphorus-site-index/
  3. Shober, A.L., J.T. Sims, and A.B. Leytem. 2013. Phosphorus management strategies for Delaware’s agricultural soils: The phosphorus site index. University of Delaware, Newark, DE. http://extension.udel.edu/factsheet/phosphorus-management-strategies-for-delawares-agricultural-soils-the-phosphorus-site-index/
  4. Shober, A.L., J.T. Sims, and J.L. Walls. 2012. Phosphorus removal by Delaware crops. University of Delaware, Newark, DE. http://extension.udel.edu/factsheet/phosphorus-removal-by-delaware-crops/
Additional Peer Reviewed Extension Publications [ + ]
  • Shober, A.L., L.R. Ellis, E.A. Hanlon, and C. Wiese. 2011. Engaging youth in the environment through the Florida land judging program. EDIS Document SL362/SS563. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS563.
  • Shober, A.L., L.R. Ellis, E.A. Hanlon, and C. Wiese. 2011. Rules and scorecard grading policies for the annual Florida 4-H/FFA land judging contest. EDIS Document SL144/SS195. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS195.
  • Shober, A.L., G. Hochmuth, and C. Wiese. 2011. An overview of nutrient budgets for use in nutrient management planning. EDIS Document SL361/SS562. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS562.
  • Sewards, J. and A.L. Shober. 2011. Improving the health of declining loropetalum in the home landscape. EDIS Document SL354/SS556. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS556.
  • Shober, A.L., C. Wiese and G.C. Denny. 2011. Soil pH and the home landscape or garden. EDIS Document SL256/SS480. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS480.
  • Shober, A.L. and C. Wiese. 2010. Preplant soil assessment for new residential landscapes in Florida. SL322/SS534. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/ss534.
  • Shober, A.L. and G.C. Denny. 2010. Identifying nutrient deficiencies in ornamental plants. SL318/SS530. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/ss530.
  • Shober, A.L. and G.C. Denny. 2010. Soil compaction in the urban landscape. SL317/SS529. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/ss529.
  • Shober, A.L. 2009. Drinking water source protection in the Tampa Bay Region: A guide for government officials. SL312/SS524. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS524.
  • Shober, A.L. 2009. Drinking water source protection in the Tampa Bay Region: A guide for homeowners. SL280/SS493. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS493.
  • Shober, A.L. and R.S. Mylavarapu. 2009. Soil sampling and testing for the home landscape or vegetable garden. EDIS Document SL281/SS494. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/document_ss494.
  • Gilman, E.F., A.L. Shober, K.A. Moore, C. Wiese, M. Paz, S.M. Scheiber. 2009. Establishing shrubs in Florida landscapes. EDIS Document ENH1130/EP391. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/EP391.
  • Gilman, E.F., A.L. Shober, K. Moore, C. Wiese, M. Paz. 2009. Planting shrubs in Florida landscapes. EDIS Document ENH1129/EP390. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/EP390.
  • Trenholm, L.E. and A.L. Shober. 2009. Preparing to plant a Florida lawn. EDIS Document ENH02/LH012. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/document_lh012.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: Soil drainage and water holding capacity. EDIS Document SL272/MG453. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG453.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: Organisms in the soil. EDIS Document SL271/MG452. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG452.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: Soil physical properties. EDIS Document SL268/MG451. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG451.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: Soil fertility. EDIS Document SL267/MG450. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG450.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: The Florida gardener’s guide to landscape fertilizers. EDIS Document SL266/MG448. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG448.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: Tackling soil salinity in the home landscape. EDIS Document SL262/MG447. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG447.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: Phosphorus in the home landscape. EDIS Document SL261/MG446. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG446.
  • Shober, A.L. 2008. Soils and fertilizers for Master Gardeners: The soil profile and soil classification. EDIS Document SL260/MG445. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG445.
  • Shober, A.L. 2008. Nitrogen in the home landscape. EDIS Document SL254/SS479. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS479.
  • Shober, A.L. and T.A. Obreza. 2008. Soils and fertilizers for Master Gardeners: Soil formation in Florida. EDIS Document SL274/MG455. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG455.
  • Shober, A.L. and G.S. Toor. 2008. Soils and fertilizers for Master Gardeners: Urban soils and their management issues. EDIS Document SL276/MG456. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG456.
  • Dukes, M.D., L.E. Trenholm, E. Gilman, C.J. Martinez, J.L. Cisar, T.H. Yeager, A. Shober and G. Denny. 2008. Frequently asked questions about landscape irrigation for Florida-friendly landscaping ordinances. EDIS Document ENH1114/WQ142. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/document_wq142.
  • Loper, S. and A.L. Shober. 2008. Soils and fertilizers for Master Gardeners: Glossary of soil and fertilizer terms. EDIS Document SL277/MG457. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG457.
  • Toor, G.S., and A.L. Shober. 2008. Soils and fertilizers for Master Gardeners: Soil organic matter and organic amendments. EDIS Document SL273/MG454. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG454.
  • Trenholm, L., E. Momol, A. Shober, G. Denny and T. Nell. 2008. Frequently asked questions about Florida-friendly landscaping. EDIS Document ENH1113/WQ144. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/document_wq144.
  • Shober, A.L., and G. Leibee. 2007. Strategies to control Loropetalum decline in Central Florida. EDIS Document SL255/SS477. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/SS477.
  • Knox, G.W., S.M. Scheiber, L. Trenholm, A. Shober, K.A. Moore, M. Paz, and E.F. Gilman. 2007. Coping with drought in the landscape. EDIS Document ENH70/MG026. University of Florida – IFAS, Gainesville, FL. http://edis.ifas.ufl.edu/MG026. (Out of print)
Conference Proceedings

Moore, K.A. and A.L. Shober. 2009. Effects of organic soil amendments and irrigation frequency on shrub growth during establishment. Proceedings of the Florida State Horticultural Society. 122: 394-398 (Refereed).
Shurberg, G., G.C. Denny and A.L. Shober. 2009. Validating nitrogen requirements for Florida landscape plants – Warm season bedding plants. SNA Research Conference. 54: 272-288. Available at: http://www.sna.org/content/2009_Complete_proceedings_1.pdf
Stehouwer, R.C. and A.L. Shober. 2003. Effects of agronomic biosolids utilization on soil quality. Proceedings of the Water Environment Federation, WEF/AWWA/CWEA Joint Residuals and Biosolids Management 2003, pp. 1236-1253.

Other Publications and Creative Works

Additional publications and creative works include: 24 Abstracts, 10 Research reports, 5 Newsletter articles, 1 Extension bulletin, 2 Extension Master Gardener training manuals, 11 Extension instructional multimedia presentations, 5 Extension web modules, 7 Teaching web modules, 3 Peer-reviewed reusable learning objects (RLOs, http://ecolearnit.ifas.ufl.edu) and 1 Website (http://gcrec.ifas.ufl.edu/Shober/UrbanSoilwebsite.htm).

Courses Taught

SWS 3022L, Introduction to Soils and the Environment Lab, UF/IFAS Gulf Coast REC, Plant City, Spring 2007, 2009, 2010

Graduate Student Advising

PhD Students: 1 total
MS Students (Thesis): 3 total
MS Students (Professional): 5 total

Grants and Contracts (Total Career: $2,290,372; †Total UD: $264,394; Total Pending: $498,721)

2013
†Improving Nitrogen Rate Recommendations for Irrigated Corn in Delaware (PI). Grant Value: $25,997. Agency: Delaware Department of Agriculture.
2012
†Nutrient Management Education Program (PI). Grant Value: $100,000. Agency: Delaware Department of Agriculture.
†Refining and harmonizing phosphorus indices in the Chesapeake Bay region to improve critical source area identification and to address nutrient management priorities (Co-PI). Grant Value: $138,397 (UD portion). Agency: USDA-NRCS Conservation Innovation Grant
Development of landscape fertilizer BMPs for long-term urban sustainability: Phase II (PI). Grant value: $274,429. Funding Agency: Southwest Florida Water Management District

Additional Grants and Contracts [ + ]


2011
Evaluation of nutrient leaching from mixed landscapes (PI). Grant value: $5,000. Funding Agency: Florida Nursery Growers and Landscape Association
Turfgrass establishment irrigation for southwest Florida (Co-PI). Grant value: $404,203. Funding Agency: Southwest Florida Water Management District
Study on low-growing turf varieties to reduce roadside mowing, use of fertilizer and improve erosion control on slopes (Co-PI). Grant Value: $99,594. Funding Agency: Florida Department of Transportation
2010
Evaluation of nutrient leaching from mixed landscapes (PI). Grant value: $75,000. Funding Agency: Southwest Florida Water Management District
Evaluating compost and lime effects on soil organic matter, soil microbial communities and the control of Fusarium wilt in commercial tomato grown in Florida’s sandy soils (PI). Grant value: $14,955. Funding Agency: Southern Sustainable Agriculture Research and Education (SARE)
Low cost stormwater treatment structures demonstration and education (PI). Grant value: $42,359. Funding Agency: Southern Regional Water Program (USDA-NIFA)
Changing residential landscape practices for water quality and conservation in the Southern Region (PI). Grant value: $44,980. Funding Agency: Southern Regional Water Program (USDA-NIFA)
Southeastern tool for resource preservation kit (Co-PI). Grant value: $34,899. Funding Agency: Southern Regional Water Program (USDA-NIFA)
Landscape perceptions & behaviors: Initial soil characterization & irrigation water analysis (PI). Grant value: $20,000. Funding Agency: University of Central Florida Stormwater Academy
Florida’s 4-H2O Ambassadors protect water resources, one child at a time (PI). Grant value: $11,400. Funding Agency: UF/IFAS Extension Enhancement Grant
Soil science education for Florida 4-H (PI). Grant value: $3,050. Funding Agency: Florida 4-H Foundation
2009
Development of landscape fertilizer BMPs for long-term urban sustainability: Phase I (PI). Grant value: $81,250. Funding Agency: Southwest Florida Water Management District
Evaluation of soil physical and chemical properties at newly constructed residential home sites to improve plant growth and environmental quality (PI). Grant value: $5,000. Funding Agency: Florida Nursery Growers and Landscape Association
Validation of nitrogen fertilizer recommendations for Florida landscape plants (PI). Grant value: $5,000. Funding Agency: Florida Nursery Growers and Landscape Association
2008
Effects of organic matter and tillage on plant establishment and nutrient losses in a residential landscape (PI). Grant value: $5,000. Funding Agency: Florida Nursery Growers and Landscape Association
Validation of nitrogen fertilizer recommendations for Florida landscape plants (Co-PI). Grant value: $5,000. Funding Agency: Florida Nursery Growers and Landscape Association
Tampa Bay Nonpoint Education for Municipal Officials (PI). Grant Value: $4,800. Funding Agency: Tampa Bay Water
2007
Linking terrestrial nutrients to red tide incidences in the Tampa Bay (Co-PI). Grant Value: $49,912. Funding Agency: University of Florida Research Innovation Grant Fund
Organic matter and irrigation frequency effects during shrub establishment (Co-PI). Grant value: $5,000. Funding Agency: Florida Nursery Growers and Landscape Association
2006
Evaluation and demonstration of evapotranspiration-based controllers (Co-PI). Grant value: $70,875. Funding Agency: Hillsborough County Water Resources Department
Use of composted cow manure (cowpeat) as a substitute for Canadian peat or Florida peat for flowering ornamentals and landscape plant production and establishment in the landscape (Co-PI). Grant value: $200,000. Funding Agency: Florida Department of Agriculture and Consumer Services
Protocol for water needs of shrubs during establishment (Co-PI). Grant value: $350,000. Funding Agency: Florida Department of Agriculture and Consumer Services