Small Farms Advisor
Cooperative Extension Fresno County550 E. Shaw Avenue, Suite 210-B
(559) 241-7515
Fresno, CA 93710
559-241-7513
rdwillard@ucanr.edu
Also in:
Small Farm Program
Tulare County
Education
Ph. D. Entomology, University of Idaho. 2008
B.S. Biology, UCLA. 1998
Areas of Expertise (click to see all ANR academics with this expertise)
- Subtropical Fruits - Other
- Vegetable Crops - General
- Plants and Their Systems
- Plant Management Systems
- Insects, Mites, and Other Arthropods Affecting Plants
- Integrated Pest Management Systems
- Communication, Education, and Information Delivery
- Food Safety
- Spanish
Bibliography
Peer Reviewed
- Méndez-Barrientos, Linda Estelí; DeVincentis, Alyssa; Rudnick, Jessica; Dahlquist-Willard, Ruth; Lowry, Bridget; Gould, Kennedy (2020). Farmer participation and institutional capture in common-pool resource governance reforms. The case of groundwater management in California. Society and Natural Resources. 33:12, 1486-1507.
- Achmon, Yigal; Claypool, Joshua T.; Fernández-Bayo, Jesús D.; Hernandez, Katie; McCurry, Dlinka G.; Harrold, Duff R.; Su, Joey; Simmons, Blake A.; Singer, Steven W.; Dahlquist-Willard, Ruth M.; Stapleton, James J.; VanderGheynst, Jean S.; Simmons, Christopher W. (2020). Structural changes in bacterial and fungal soil microbiome components during biosolarization as related to volatile fatty acid accumulation. Applied Soil Ecology. 153, 103602.
- 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.
ANR Workgroup Associations
- Agroecology and Organic Farming Systems - Member
- Entomology - Member
- Small Farm - Member
- Vegetable Crops - Member
- Warm Season Vegetables - Member