Professor of Agriculture and Natural Resources;
Clarence M. Clark Chair in Mountain Agriculture
At Berea College since 1998

Contact Information

Goldthwait Agriculture Building, 212
CPO 1743
Email: clarks@berea.edu
Phone: 859-985-3402

Spring 2022

Office Hours

Mon/ Tue/ Wed/ Thur: 10:30 a.m. – noon
In-person

Class Schedule

• ANR 100  (Mon/Wed: 2:40 pm – 4:30 pm)
• GSTR 410 A (Mon/Wed/Fri: 9:20 am – 10:30 am)

Education

Ph.D., Michigan State University
MS, Virginia Tech
BS, Virginia Tech

Courses Taught

• ANR 100 – Intro to Ag & Natural Resources
• ANR 265 – Bees and Beekeeping
• ANR 319 – Farm to Table: Value-Added Products
• ANR 350 – Horticulture
• ANR 375 – Farm Resource Management
• GSTR 410 – Contemporary Global Issues
• UGR 010 – Undergraduate Research

Publications and Presentations

• Clark, Sean, and Seyed H. Mousavi-Avval. 2022. “Global Warming Potential of Organic Strawberry Production under Unheated High Tunnels in Kentucky, USA” Sustainability 14, no. 3: 1778. https://doi.org/10.3390/su14031778.
• Isaka, Tsuzuchi, Sean Clark, and Janet Meyer. 2021. Compost Functions as Effective Replacement for Peat-Based Potting Media in Organic Greenhouse Transplant Production. J 4, no. 3: 394-403. https://doi.org/10.3390/j4030030.
• Payandeh, Zahra, Ahmad Jahanbakhshi, Tarahom Mesri-Gundoshmian, and Sean Clark. 2021. Improving Energy Efficiency of Barley Production Using Joint Data Envelopment Analysis (DEA) and Life Cycle Assessment (LCA): Evaluation of Greenhouse Gas Emissions and Optimization Approach. Sustainability 13, no. 11: 6082. https://doi.org/10.3390/su13116082.
• Zangeneh, Morteza, Narges Banaeian, and Sean Clark. 2021. Meta-Analysis on Energy-Use Patterns of Cropping Systems in Iran. Sustainability 13, no. 7: 3868. https://doi.org/10.3390/su13073868.
• Clark, S. 2020. Organic farming and climate change: The need for innovation. Sustainability 12:7012
• Clark, S. 2020. Financial viability of an on-farm processing and retail enterprise: A case study of value-added agriculture in rural Kentucky (USA). Sustainability 12(2):708
• Banaeian, N., Zangeneh, M. & Clark, S. 2020. Trends and future directions in crop energy analyses: A focus on Iran. Sustainability 12:10002.
• Clark, S. (editor). 2016. Sustainable Agriculture–Beyond Organic Farming. MDPI. Basel, Switzerland. 341 p. ISBN 978-3-03842-305-8 (PDF); 978-3-03842-304-1 (Hbk)
• Clark, S., B. Khoshnevisan, and P. Sefeedpari. 2016. Energy efficiency and greenhouse gas emissions during transition to organic and reduced-input practices: Student farm case study. Ecological Engineering 88:186-194.
• Rafiee, S., B. Khoshnevisan, I Mohammadi, M. Aghbashlo and S. Clark. 2016. Sustainability evaluation of pasteurized milk production with a life cycle assessment approach: An Iranian case study. Science of the Total Environment 562: 614-627.
• Clark, S., B. Khoshnevisan, and P. Sefeedpari. 2014. Energy efficiency and greenhouse gas emissions during transition to organic and reduced-input practices: Student farm case study. Kentucky Academy of Science 100th Annual Meeting. Lexington, Kentucky (poster).
• Clark, S. 2014. Agroecology in Central Appalachia: Framing problems and facilitating solutions. In N. Benkeblia (ed.), Agroecology, Ecosystems and Sustainability. CRC Press, Boca Raton. pp. 279-308. ISBN-10: 1482233010.
• Clark, S. 2014. Resource-use and partial-budget analysis of a transition to reduced-input and organic practices and direct marketing: a student-farm case study. Journal of Agriculture, Food Systems, and Community Development 4:113-130.
• Khoshnevisan, B., M.A. Rajaeifar, S. Clark, S. Shamahirband, N.B. Anuar, N.L. Mohd Shuib & A. Gani. 2014. Evaluation of traditional and consolidated rice farms in Guilan Province, Iran, using life cycle assessment and fuzzy modeling. Science of the Total Environment 481:242-251.
• Khoshnevisan, B., S. Rafiee, M. Omid, H. Mousazadeh, S. Clark. 2014. Environmental impact assessment of tomato and cucumber cultivation in greenhouses using life cycle assessment and adaptive neuro-fuzzy inference system. Journal of Cleaner Production 73:183-192.
• Clark, S. & J. Meyer. 2013. Financial comparison of organic potato production using different integrated pest management systems. 2013 Fruit and Vegetable Crops Research Report, Univ. of Kentucky Agricultural Experiment Station. PR673:33-36.
• Clark, S. 2013. The other side of Foodtopia: Waste not in Asheville. BioCycle 54(4):20-25.
• Clark, S. 2012. Students assess capacity of an educational farm to supply dining hall at Berea College: Is 25% of the food an achievable goal (poster). Sustainable Agriculture Education Association’s 5th National Conference. Oregon State University, Corvallis, Oregon.
• Clark, S. 2011. Linking academics and farm work: Experiential agricultural education at a small liberal arts college. Fundamentals for Life: Soil, Crop, and Environmental Sciences (ASA CSSA SSSA International Meetings), San Antonio, Texas.
• Clark. S. 2011. An educational farm as a model of sustainability: Experiences at Berea College (poster). Seeding the Future: Cultivating the College Farm from Field to the Classroom. Dickinson College, Carlisle, Pennsylvania.
• Watkins, K. and S. Clark. 2011. Out with the hogs and in with the fish: Feasibility of tilapia farming in a former hog-waste lagoon (poster). Kentucky Academy of Science 97th Annual Meeting, Murray State University, Murray, Kentucky.
• Sayre, L. and S. Clark (eds.). 2011 Fields of Learning: The Student Farm Movement in North America. University Press of Kentucky, Lexington, KY, 354 pp. ISBN 978-0-8131-3374-4.
• Clark, S. and O. Pogue. 2009. A college pursues organic beekeeping: Stock selection, forage availability, mite treatments and supplemental food all can be challenges to an organic program. Bee Culture September issue, pp. 17-19.
• Pogue, O., S. Clark, and S. Paulson. 2008. Effects of human disturbance on ground beetle diversity. Kentucky Academy of Science 94th Annual Meeting, University of Kentucky, Lexington, Kentucky (poster).
• Sands, J., S. Hammond, S. Clark, and S. Paulson. 2008. Home-based processing to add value to horticultural products. Kentucky Academy of Science 94th Annual Meeting, University of Kentucky, Lexington, Kentucky (poster).
• Gravitt, O. Pogue, and S. Clark. 2007. Population dynamics of varroa mite (Acari: Varroidae) on different honey bee (Hymenoptera: Apidae) stocks. Kentucky Academy of Science 93nd Annual Meeting. University of Louisville (poster).
• Pogue, O., S. Gravitt, and S. Clark. 2007. Management of Varroa Mites (Acari: Varroidae) in Organic Beekeeping : Is it Possible? Kentucky Academy of Science 93nd Annual Meeting. University of Louisville (poster).
• Clark, S. and M. Hileman. 2007. Financial analysis of small-scale, organic, cut-lettuce production systems. 2007 Fruit and Vegetable Crops Research Report, University of Kentucky Agricultural Experiment Station. pp. 61-63.
• Clark, S., K. Szlavecz, , M. Cavigelli and F. Purrington. 2006. Ground beetle (Coleoptera: Carabidae) assemblages in organic, no-till, and chisel-till cropping systems in Maryland. Environmental Entomology 35: 1304-1312.
• Clark, S. and M. Cavigelli. 2005. Suitability of composts as potting media for production of organic vegetable transplants. Compost Science and Utilization 13: 150-156
• Clark, S. and M. Cavigelli. 2005. Local composts as potting media for organic vegetable production. 2005 Fruit and Vegetable Crops Research Report, University of Kentucky Agricultural Experiment Station. Pp. 85-87.
• Clark, S. and M. Cavigelli. 2005. College composting program shapes up in Kentucky. In Business 27 (4): 26-27.
• Clark, S. and M. Cavigelli. 2005. College composting program matures. BioCycle 46(7): 35-38
• Clark, S. and M. Panciera. 2002. Cover crop roll-down for weed suppression in no-till crop production. 2002 Fruit and Vegetable Crops Research Report, University of Kentucky Agricultural Experiment Station. pp. 56-57.
• Clark, S. 2002. Composting horse bedding in Kentucky’s Bluegrass Region. BioCycle 43(7): 24-25.
• Hernández, C., J. Yeomans, and S. Clark. 2002. Sustainable example for waste management. BioCycle 43(8): 67-68.
• Clark, S. 2002. Evaluation of an institutional food-residuals composting system. Proceedings of the 2002 International Symposium on Composting and Compost Utilization, May 6-8, Columbus, OH.
• Rämert, B., R.L. Bugg, M.S. Clark, M.R. Werner, R.P. McGuinn, D. Poudel & A.M. Berry. 2000. Influence of Lumbricus terrestris inoculation on green manure disappearance in Persian walnut (Juglans regia) orchards. Soil Biology and Biochemistry 33: 1509-1516.
• Clark, S and L. Law. 2000. Multipurpose program at Berea College. BioCycle 41(9): 69-70.
• Clark, S., K. Klonsky, P. Livingston, and S. Temple. 1999. Crop-yield and economic comparisons of organic, low-input, and conventional farming systems in California’s Central Valley. American Journal of Alternative Agriculture 14: 109-121.
• Clark, M.S., W.R. Horwath, C. Shennan., K.M. Scow, W.T. Lanini, and H. Ferris. 1999. Nitrogen, weeds and water as yield-limiting factors in conventional, low-input, and organic tomato systems. Agriculture, Ecosystems and Environment 73: 257-270.
• Clark, M.S. 1999. Ground beetle abundance and community composition in conventional and organic tomato systems of California’s Central Valley. Applied Soil Ecology 11: 199-206.
• Clark, M.S., W.R. Horwath, C. Shennan, K.M. Scow. 1998. Changes in soil chemical properties resulting from organic and low-input farming practices. Agronomy Journal 90: 662-671.
• Clark, M.S., H. Ferris, K. Klonsky, W.T. Lanini, A.H.C. van Bruggen, & F.G. Zalom. 1998. Agronomic, economic, and environmental comparison of pest management in conventional and alternative tomato and corn systems in northern California. Agriculture, Ecosystems & Environment 68: 51-71.
• Clark, S. 1997. Domestic birds for biological control. The IPM Practitioner 19(9): 5-7.
• Clark, M.S. and S.H. Gage. 1997. Relationship between fruit yield and damage by codling moth and plum curculio in a biologically-managed apple orchard. Great Lakes Entomologist 30: 161-168.
• Clark, M.S., S.H. Gage, & J.R. Spence. 1997. Habitats and management associated with common ground beetles (Coleoptera: Carabidae) in a Michigan agricultural landscape. Environmental Entomology 26: 519-527.
• Clark, M.S. & S.H. Gage. 1997. The effects of free-range domestic birds on the abundance of epigeic predators and earthworms. Applied Soil Ecology 255-260.
• Clark, M.S. & S.H. Gage. 1996. Effects of free-range chickens and geese on insect pests and weeds in an agroecosystem. American Journal of Alternative Agriculture 11: 39-47.
• Clark, M.S., S.H. Gage, L. B. DeLind and M. Lennington. 1995. The compatibility of domestic birds with a non-chemical agroecosystem. American Journal of Alternative Agriculture 10: 114-121
• Clark, M.S., J.M. Luna, & R. R. Youngman. 1995. Estimation of adult carabid absolute densities in a no-till corn field by removal sampling. Applied Soil Ecology 2: 185-193.
• Clark, M.S., J.M. Luna, N.D. Stone, & R.R. Youngman. 1994. Generalist predator consumption of armyworm (Lepidoptera: Noctuidae) and the effect of predator removal on damage in no-till corn. Environmental Entomology 23: 617-622.
• Clark, M.S., J.M. Luna, N.D. Stone, & R.R. Youngman. 1993. Habitat preferences of generalist predators in reduced-tillage corn. Journal of Entomological Science 28: 404-416.