Dr. Ruth Dahlquist-Willard

Small Farms Advisor
Cooperative Extension Fresno County
550 E. Shaw Avenue, Suite 210-B
(559) 241-7515
Fresno, CA 93710
rdwillard@ucanr.edu Create VCard

Also in:
Small Farm Program
Tulare County


Ph. D. Entomology, University of Idaho. 2008
B.S. Biology, UCLA. 1998

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • Fernández-Bayo, JD; Randall, TE; Harrold, DR; Y, Achmon; KV, Hestmark; J, Su; Dahlquist-Willard, RM; Gordon, TR; Stapleton, JJ; VanderGheynst, JS; Simmons, CW (2018). Effect of management of organic wastes on inactivation of Brassica nigra and Fusarium oxysporum f.sp. lactucae using soil biosolarization. Pest Management Science. 74:8, 1892-1902.
  • Oldfield, Thomas; Achmon, Yigal; Perano, Kristy; Dahlquist-Willard, Ruth; VanderGheynst, Jean; Stapleton, James; Simmons, Christopher; Holden, Nicholas (2017). "A life cycle assessment of biosolarization as a valorization pathway for tomato pomace utilization in California." Journal of Cleaner Production 141: 146-156.
  • Fernández-Bayo, Jesús; Achmon, Yigal; Harrold, Duff; McCurry, Dlinka; Hernandez, Katie; Dahlquist-Willard, Ruth; Stapleton, James; VanderGheynst, Jean; Simmons, Christopher (2017). Assessment of two solid anaerobic digestate soil amendments for effects on soil quality and biosolarization efficacy. Journal of Agricultural and Food Chemistry. 65:17, 3434–3442. April 14.
  • Fernández-Bayo, Jesús; Achmon, Yigal; Harrold, Duff; Claypool, Joshua; Simmons, Blake; Singer, Steven; Dahlquist-Willard, Ruth; Stapleton, James; VanderGheynst, Jean; Simmons, Christopher (2017). Comparison of soil biosolarization with mesophilic and thermophilic solid digestates on soil microbial quantity and diversity. Applied Soil Ecology. 119, 183-191. October.
  • Achmon, Yigal; Fernandez-Bayo, Jesús D.; Hernandez, Katie; McCurry, Dlinka G.; Harrold, Duff R.; Su, Joey; Dahlquist-Willard, Ruth M.; Stapleton, James J.; VanderGheynst, Jean S.; Simmons, Christopher W. (2017). "Weed seed inactivation in soil mesocosms via biosolarization with mature compost and tomato processing waste amendments." Pest Management Science 73(5): 862-873.
  • Dahlquist-Willard, Ruth; Marshall, Megan; Betts, Stacy; Tuell-Todd, Carrie; VanderGheynst, Jean; Stapleton, James (2016). "Development and validation of a Weibull-Arrhenius model to predict thermal inactivation of black mustard (Brassica nigra) seeds under fluctuating temperature regimens." Biosystems Engineering 151: 350-360.

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