Richard Smith

Phone: (603) 862-2724
Office: Natural Resources & the Environment, James Hall Rm 264, Durham, NH 03824

In general, my research tends to focus on the interface between agriculture and plant community and ecosystem ecology. My interests include weed ecology and management, the role of diversity in agroecosystem function, plant invasions, community assembly theory, trophic interactions, and implications of land-use and climate change. The overall goal of my research is to better understand the ecological interactions that underpin agricultural production systems so as to improve the economic and environmental sustainability of agriculture.


  • Ph.D., Plant Biology; Ecology, Evolutionary Biology & Behavior, Michigan State University
  • B.S., Biology, University of New Mexico

Research Interests

  • Agricultural Management
  • Agriculture Conservation
  • Agronomy
  • Climate Change
  • Crop Protection (Pests, Diseases, & Weeds)
  • Crops and Pastures
  • Ecology
  • Ecosystems
  • Environmental Conservation
  • Invasive Species
  • Organic Farming
  • Pest Management
  • Plant Sciences

Courses Taught

  • 502: Agroecology
  • 600: Work Experience
  • 795W: Investigations
  • 909: Analysis of Ecological Data
  • 997: Interdisciplinary Research
  • 999: Doctoral Research
  • NR 600: Work Experience
  • NR 909: Analysis of Ecological Data
  • SAFS 502: Agroecology

Selected Publications

Rowen, E. K., Pearsons, K. A., Smith, R. G., Wickings, K., & Tooker, J. F. (2022). Early-season plant cover supports more effective pest control than insecticide applications.. Ecol Appl, 32(5), e2598. doi:10.1002/eap.2598

Menalled, U. D., Adeux, G., Cordeau, S., Smith, R. G., Mirsky, S. B., & Ryan, M. R. (2022). Cereal rye mulch biomass and crop density affect weed suppression and community assembly in no-till planted soybean. ECOSPHERE, 13(6). doi:10.1002/ecs2.4147

Lounsbury, N. P., Lounsbury, B. B., Warren, N. D., & Smith, R. G. (2022). Tarping Cover Crops Facilitates Organic No-till Cabbage Production and Suppresses Weeds. HORTSCIENCE, 57(4), 508-515. doi:10.21273/HORTSCI16389-21

Billman, E. D., de Souza, I. A., Smith, R. G., Soder, K. J., Warren, N. D., & Brito, A. F. (2022). Identifying optimal early‐season harvest timing in annual fall forages. Crop, Forage & Turfgrass Management, 8(2). doi:10.1002/cft2.20179

Lounsbury, N. P., Warren, N. D., Hobbie, J., Darby, H., Ryan, M. R., Mortensen, D. A., & Smith, R. G. (2022). Seed size variability has implications for achieving cover cropping goals. AGRICULTURAL & ENVIRONMENTAL LETTERS, 7(1). doi:10.1002/ael2.20080

Hunter, M. C., Smith, R. G., Schipanski, M. E., Atwood, L. W., & Mortensen, D. A. (2017). Agriculture in 2050: Recalibrating Targets for Sustainable Intensification. BIOSCIENCE, 67(4), 385-390. doi:10.1093/biosci/bix010

Smith, R. G., Atwood, L. W., & Warren, N. D. (2014). Increased Productivity of a Cover Crop Mixture Is Not Associated with Enhanced Agroecosystem Services. PLOS ONE, 9(5). doi:10.1371/journal.pone.0097351

Mortensen, D. A., Egan, J. F., Maxwell, B. D., Ryan, M. R., & Smith, R. G. (2012). Navigating a Critical Juncture for Sustainable Weed Management. BIOSCIENCE, 62(1), 75-84. doi:10.1525/bio.2012.62.1.12

Smith, R. G., Gross, K. L., & Robertson, G. P. (2008). Effects of crop diversity on agroecosystem function: Crop yield response. ECOSYSTEMS, 11(3), 355-366. doi:10.1007/s10021-008-9124-5

Menalled, F. D., Smith, R. G., Dauer, J. T., & Fox, T. B. (2007). Impact of agricultural management on carabid communities and weed seed predation. AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 118(1-4), 49-54. doi:10.1016/j.agee.2006.04.011

Most Cited Publications