Sarah E Light

Agronomy Farm Advisor

Sutter-Yuba UC Cooperative Extension
142A Garden Highway
Yuba City, CA 95991
(530) 822-7515
selight@ucanr.edu

http://cesutter.ucanr.edu

http://cesutter.ucanr.edu/SacramentoValleyFieldCrops/

Also in:
Colusa County

Education

M.S. Soil Science, Oregon State University. 2016

M.S. Botany and Plant Pathology, Oregon State University. 2016

B.A. Latin American Studies, Brandeis University. 2005

Specialty

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

• Field Crops
• Field Crops - General
• Alfalfa
• Beans, Dry - General
• Oil / Oilseed Crops - General
• Safflower
• Grains - General
• Corn, Field
• Wheat
• Plant Management Systems
• Pathogens and Nematodes Affecting Plants
• Integrated Pest Management Systems
• Soil, Plant, Water, Nutrient Relationships
• Spanish
• Urban Agriculture/Local and Regional Food Systems
• Commercial
• Organic
• Sustainable Food Systems

Bibliography

Peer Reviewed

• Suarez Romero, V; Light, SE (2024). Can saturated paste be used to predict bulk density in annual cropping systems in California? Soil Science of America Journal. 1-7. February.
• Mitchell, JP; Cappellani, SB, et al.; Schmidt, R; Chiartas, J; Shrestha, A; Reicosky, D; Ferris, H; Ghezzehei, TA; Araya, S; Kelly, C; Fonte, SJ; Light, SE; Liles, G; Wiley, T; Roy, R; Bottens, M; Crum, C; Horwath, WR; Koch, GM; Scow, KM (2024). No-tillage, surface residue retention, and cover crops improved San Joaquin Valley soil health in the long term. California Agriculture. 78:2. May 1. https://doi.org/10.3733/001c.94714
• Kanter, K; Leinfelder-Miles, M, et al.; Clark, N; Lundy, ME; Koundinya, V; Long, R; Light, SE; Brim-Deforest, WB; Linquist, B; Putnam, D; Hutmacher, RB; Pittelkow, CM (2024). Setting research and extension priorities for agronomic crops in California. California Agriculture. 78:2. June 3. https://doi.org/10.3733/001c.118769
• Santiago, S; Light, SE, et al.; Clark, NE; Wang, Z; Mathesius, K & Geisseler (2022). Seasonal Net Nitrogen Mineralization in the Topsoil of Subsurface Drip Irrigated Fields. Communications in Soil Science and Plant Analysis. August.
• Light, SE; Sullivan, DM, et al.; Horneck, DA (2022). Timing of potassium chloride application effect on soil and potato uptake of chloride. Agrosystems, Geosciences & Environment. Crop Science Society of America and American Society of Agronomy. June 24. https://acsess.onlinelibrary.wiley.com/doi/full/10.1002/agg2.20301
• Light, SE; Hanson, B (2021). Herbicide Symptoms on Hemp. UC ANR Publications. 8689. May. https://anrcatalog.ucanr.edu/pdf/8689.pdf
• Mitchell, JP; Shrestha, A, et al.; Epstein, L; Dahlberg, A; Ghexxehei, T; Araya, S; Ricther, B: Kaur; Henry, P; Munk, DS; Light, S; Bottens, M; Zaccaria, D (2021). No-tillage sorghum and garbanzo yields match or exceed standard tillage yields. California Agriculture. September 30.
• Huynh, BL; Duong, T, et al.; Clark, N; Long, R; Light, S; Dahlquist-Willard, RM; Ehlers, JD; Close, T; Roberts, PA (2021). Registration of aphid-resistant ‘California Blackeye 77’ cowpea. Journal of Plant Registrations. Crop Science Society of America. 1-8. April 5.
• Kanter, J; Clark, NE, et al.; Lundy, M; Koundinya, V; Leinfelder-Miles, M; Long, R; Light, SE; Brim-Deforest, WB; Linquist, B; Putnam, D (2021). Top management challenges and concerns for agronomic crop production in California: Identifying critical issues for extension through needs assessment. Agronomy Journal. 1-17.
• Xue, J; Bali, KM, et al.; Light, SE; Hessels, T; Kisekkaa, I (2020). Evaluation of remote sensing-based evapotranspiration models against surface renewal in almonds, tomatoes and maize. Agricultural Water Management. 238. April 20.
• Phillips, C; Light, S, et al.; Lindsey, A; Wanzek, TA; Meyer, KM; Trippe, K (2020). Preliminary evaluation of a decision support tool for biochar amendment. Biochar. Springer. Published online. February 19.
• Phillips, CL; Light, SE, et al.; Gollany, HT; Chiu, S; Wanzek, T; Meyer, K; Trippe, KM (2019). Can biochar conserve water in Oregon agricultural soils? Soil & Tillage Research. 198. November 28.
• RF, Long; Leinfelder-Miles, M, et al.; Mathesius, K; Bali, K; Light, S; Galla, M; Mueller, S; Fulton, A; Clark, N; Meyer, RD (2019). Garbanzo Bean (Chickpea) Production in California. ANR Publication.D. Putnam. Davis, Ca, UCANR. 8634. January. https://anrcatalog.ucanr.edu/pdf/8634.pdf
• Long, RF; Gulya, T, et al.; Light, SE; Bali, K; Mathesius, K; Meyer, RD (2019). Sunflower Hybrid Seed Production in California. UCANR Publication. 8638. March. https://anrcatalog.ucanr.edu/pdf/8638.pdf

Non-Peer Reviewed

• Leinfelder-Miles, M; Light, S, et al.; Brim-Deforest, W (2024). Cover Cropping Considerations in California Annual Crop Rotations. Agronomy Research & Information Center - Agronomy Fact Sheet #22. https://agric.ucdavis.edu/sites/g/files/dgvnsk12316/files/inline-files/Fact%20Sheet_22%20Cover%20Cropping%20Considerations.pdf
• Borum, J; Bruno, E, et al.; Castle, S; Chiartas, J; Crowley, R; Decock, C; Delgado, C; DeVincentis, A; Dufour, R; Edwards, A; Flaherty, R; Flynn, M; Grimm, R; Hale, L; Light, S; Little, C; Lowell, K; Minshew, H; Rocco, M; Peterson, C; Roby, M; Roseman, J; Roth, A; Sandoval, S; Silva, S; Smet, E; Smither-Kopperl, M; Suvocarev, K; Waterhouse, H; Wauter, V; Williams, S; Zaccaria, D (2024). Cover Cropping in the SGMA Era - A comprehensive overview of water impacts, policy implications, and recommendations for California's water managers. The Soil-Water Interface Expert Convening Series: Cover Crop Impacts on Water Budgets, California. https://suscon.org/wp-content/uploads/2024/05/SC-Cover-Crop-SGMA-Report.pdf
• Light, SE: Kingsley; Carter, B, et al.; Carter, B; Davy, J (2024). Grazing Summer Cover Crops: Species Selection is Key. Crop Talk. 18:6. April. https://www.ysfarmbureau.com/_files/ugd/d31d33_d250b45f920b4b539cbaedf3d3faa843.pdf
• Light, SE: Kingsley; Carter, B, et al.; Carter, B; Davy, J (2024). Grazing Summer Cover Crops: Species Selection is Key. Sacramento Valley Field Crops Newsletter. 14. April. https://cesutter.ucanr.edu/newsletters/Agronomy_Notes101206.pdf
• Light, SE; Long, RF, et al.; Akin, C; Guan, T (2024). Project Summary: The Effect of Almond Shell Mulch Application to Established Alfalfa Fields. Sacramento Valley Field Crops Newsletter. 15. July. https://cesutter.ucanr.edu/newsletters/Agronomy_Notes102009.pdf
• Light, S; Leinfelder-Miles, M, et al.; Brim-Deforest, W (2024). Selecting Cover Crops for California Annual Crop Systems. Agronomy Research & Information Center - Agronomy Fact Sheet #21. https://agric.ucdavis.edu/sites/g/files/dgvnsk12316/files/inline-files/Fact%20Sheet_21%20Selecting%20Cover%20Crops_0.pdf
• Light, SE; Akin, C, et al.; Bowman, P (2023). Cover Crop Performance in the Sacramento Valley During a Wet Year. Sacramento Valley Field Crops Newsletter. 13. October.
• Light, SE (2023). Cover Crops and Winter Weed Management: Considerations for Annual Rotations. UC Weed Science Blog. August 14. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=57614
• Hale, L; Light, SE (2023). Cover Crops generate a Resource Rich Soil Environment for Soil Biota and Crop Roots. Sacramento Valley Field Crops Newsletter. 13. October. https://cesutter.ucanr.edu/newsletters/Agronomy_Notes99457.pdf
• Williams, S; Light, S, et al.; Doran, M; Macon, D; Brewer, K; Cheong, S; Neill, F; Chandler, C; Hoffman, O; Scow, K; Pires, AFA; Gaudin, ACM (2023). Grazing Cover Crops in Annual Cropping Systems. March. https://ucanr.edu/sites/sutteryuba/files/382775.pdf
• Light, SE (2023). Hedgerows Can Enhance Bee Abundance, Beneficial Insects, Pest Control, and Pollination Services. Crop Talk. Yuba Sutter Farm Bureau. 17:9. July. https://www.ysfarmbureau.com/_files/ugd/d31d33_1147a1581b0341c683548ace9fa0da9d.pdf
• Light, SE; Long, RF, et al.; Leinfelder-Miles, M; Lundy, M; Clark, N; Brim-DeForest, W (2023). How do I know the status of my wheat crop after heavy geese damage? UC Weed Science Blog. February 10. https://ucanr.edu/blogs/smallgrains/index.cfm?tagname=@agric
• Clark, NE; Galdi, G, et al.; Getts, T; Leinfelder-Miles, M; Light, SE; Mathesius, K; Lundy, M (2023). Improved Small Grain Nitrogen Use Efficiency With California Site-Specific Decision Support. Western Nutrient Management Conference. March. https://www.westernnutrientmanagement.org/files/WNMC_2023_Proceedings.pdf
• Clark, N.; Nelsen, T., et al.; Galdi, G.; Getts, T; Leinfelder-Miles, M; Light, S; Mathesius, K; Lundy, M (2023). Improved Small Grain Nitrogen Use Efficiency with California Site-Specific Decision Support. WERA-103 Western Nutrient Management Conference Proceedings. 6.
• Akin, CM; Light, SE (2023). Now is the Time to Start Planning Your Winter Cover Crops. Crop Talk. 17:11. August. https://www.ysfarmbureau.com/_files/ugd/d31d33_a75ff2feac97431ab523f99cf932ec15.pdf
• Light, SE; Sullivan, D, et al.; Horneck, D (2023). Potassium and Potatoes: Understanding Fertilizer-Crop Interactions. Progressive Crop Consultant. November/December. https://issuu.com/myaglife/docs/pcc_nov_dec_e?fr=xKAE9_zU1NQ
• Light, SE; Long, RF, et al.; Guan, T; Akin, C (2023). Project Update: The Effect of Almond Shell Mulch on Productivity of Established Alfalfa Fields. Alfalfa and Forage News. December 11. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=58533
• Leinfelder-Miles, M: Light; Clark, NE, et al.; Long, P; Goodrich, B (2023). Sample Costs For Baby Lima Beans. Davis, CA, UCANR Agricultural Issues Center. https://coststudyfiles.ucdavis.edu/2024/03/28/2023%20Baby%20Lima%20Final.pdf
• Lloyd, M; Light, SE (2023). The Costs and Benefits of Growing a Cover Crop in an Annual Rotation in the Lower Sacramento Valley. Progressive Crop Consultant. 8:3. May/June.
• Light, SE; Akin, CM (2023). The Western Cover Crops Council: Engaging Collaborators in the Southwest Region. UCANR Statewide Conference. April 24.
• Light, SE; Bruno, E, et al.; Lloyd, M (2023). UCCE Resources on the Economics of Cover Cropping in Annual Rotations. Sacramento Valley Field Crops Newsletter. 14. July.
• Light, SE; Smither-Kopperl, M, et al.; Johnson, T (2023). Western Cover Crops Council: Engaging Farmers in Conservation. California Association of Resource Conservation Districts. March.
• Lundy, M; Nelson, T, et al.; Clark, N; Galdi, G; Getts, T; Leinfelder-Miles, M; Light, S; Mathesius, K. (2022). Achieving Efficient Nitrogen Fertilizer Management in California Wheat. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/2022_proceedings.pdf
• Light, SE; Williams, S (2022). Cover Crops and Winter Weed Management: Considerations for Annual Rotations in Wet and Dry Years. Sacramento Valley Field Crops Newletter. July. https://cesutter.ucanr.edu/newsletters/Agronomy_Notes94090.pdf
• Light, S (2022). Cover crops and winter weed management: considerations for annual rotations in wet and dry years. CAPCA Adviser. 25:4, 46-50. August. https://capca.com/wp-content/uploads/2022/07/2022-08-ADVISER-Aug2022_LOW.pdf
• Geisseler, D; Parikh, S, et al.; Clark, N; Leinfelder-Miles, M; Light, S; Mathesius, K; Wilson, R. (2022). Development of site-specific nitrogen fertilization recommendations for annual crops. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/2022_proceedings.pdf
• Light, S; Lloyd, M, et al.; Berris, H; Stewart, D; Goodrich, B. (2022). Estimate Costs for a Winter Cover Crop in an Annual Rotation. Department of Agricultural and Resource Economics at University of California, Davis. September. https://coststudyfiles.ucdavis.edu/uploads/pub/2022/09/28/2022covercropsbenefits.pdf
• Light, SE (2022). Evaluation of Cover Crops on Soil Moisture Dynamics - 2022 Annual Report. California Department of Food and Agriculture Healthy Soils Program Demonstration Projects. August.
• Light, S; Horwath, W, et al.; Koch, G; Mitchell, J; Suares Romero, V; Vinchesi-Vahl, A (2022). Evaluation of Two Rates of Legume Winter Cover Crop on Soil Function in the Central Valley of California, USA. World Congress of Soil Science Proceedings. https://22wcss.org/wp-content/uploads/2022/07/Poster-Book-of-abstracts-31.07.22.pdf
• Light, SE (2022). Evaluation of Winter Cover Crop Species for their Ability to Mitigate Soil Compaction - 2022 Annual Report. California Department of Food and Agriculture Healthy Soils Program Demonstration Projects. August.
• Long, R; Leinfelder-Miles, M, et al.; Light, S; Schmidt, R; Putnam, D (2022). Healthy soils for healthy alfalfa stands—what are the strategies. UC ANR Alfalfa & Forage News. July 14. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=53518
• Light, S; Al-Khatib, K, et al.; Long, RF (2022). Herbicide Damage to Baby Lima Beans Planted Prior to a Cold Spell. UC Dry Bean Blog. August 12. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=54951
• Light, S; Hanson, B (2022). Herbicide Drift in Hemp. California Weed Science Society Proceedings. January. https://www.cwss.org/wp-content/uploads/2022/07/Complete-Proceedings-Final-2022.pdf
• Light, SE; Chalstrom, T. (2022). My Ag Life: Accurate Estimation for Winter Cover Crop Management. JCS Marketing. Episode 450. October 27.
• Light, SE; Chalstrom, T. (2022). My Ag Life: Cover Crop Events and Sustainable Groundwater Management Act. JCS Marketing. February 11.
• Hutmacher, R; Putnam, D, et al.; Light, S; Clark, C; Geisseler, D; Hotz, M; Koch, G; Angeles, J; DeBen, C. (2022). Nitrogen Response of Industrial Hemp Cultivars Grosn for CBD, Essential Oils. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/2022_proceedings.pdf
• Light, SE (2022). Project Summary: Summer Cover Crop Performance in the Sacramento Valley - 2022. September. https://ucanr.edu/sites/sutteryuba/files/373352.pdf
• Light, SE (2022). Project Summary: Winter Cover Crop Performance in the Sacramento Valley in a Drought Year (2020-2021). January. https://ucanr.edu/sites/sutteryuba/files/362688.pdf
• Light, SE; Long, RF, et al.; Akin, CM (2022). The Effect of Almond Shell Mulch on Productivity of Established Alfalfa Fields. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 13. December. https://cesutter.ucanr.edu/newsletters/Agronomy_Notes95712.pdf
• Light, S.; Cisneros-Aguilar, A., et al.; Giang, D.; Matheisus, K.; Nelson, T.; Leinfelder-Miles, M.; Lundy, M. (2022). Video: Test Rapido de Nitratos en Suelo (doblado en Espanol).S. Light. June.
• Light, SE (2022). Winter Cover Crop Performance in a Drought Year. Sacramento Valley Field Crops Newletter. January. https://cesutter.ucanr.edu/newsletters/Agronomy_Notes91779.pdf
• Light, S; Vinchesi-Vahl, A (2022). Winter Cover Crops in Annual Rotations. Progressive Crop Consultant. JCS Marketing. 7:5, 24-27. July/August. https://progressivecrop.com/magazine-archive/july-august-2022/
• Lundy, M; Nelson, T, et al.; Clark, N; Galdi, G; Getts, T; Leinfelder-Miles, M; Light, S; Mathesius, K. (2021). Achieving Efficient Nitrogen Fertilizer Management in California Wheat. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/2021_proceedings_10222021.pdfAchieving Efficient Nitrogen Fertilizer Management in California Wheat
• Roberts, PA; Huynh, BL, et al.; Clark, NE; Matthews, WC: Light; Long, R (2021). Blackeye Varietal Improvement - 2020 Progress Report. California Dry Bean Advisory Board. February.
• Roberts, PA; Huynh, BL, et al.; Clark, NE; Matthews, WC; Light, SE; Long, RF (2021). Blackeye Varietal Improvement - 2021 Progress Report. University of California Dry Bean Research 2021 Progress Report. California Dry Bean Advisory Board.
• Light, S; Harper, E (2021). Building an Interagency Collaboration to Increase Soil Health Outreach. Soil Science Society of America—Agronomy Society of America—Crop Science Society of America. Annual Meeting Proceedings.
• Geisseler, D; Parikh, S, et al.; Clark, N; Leinfelder-Miles, M; Light, S; Mathesius, K; Wilson, R. (2021). Development of site-specific nitrogen fertilization recommendations for annual crops. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/2021_proceedings_10222021.pdf
• Light, SE (2021). Evaluation of Cover Crops on Soil Moisture Dynamics - 2021 Annual Report. California Department of Food and Agriculture Healthy Soils Program Demonstration Projects. July.
• Light, SE (2021). Evaluation of Winter Cover Crop Species for their Ability to Mitigate Soil Compaction - 2021 Annual Report. California Department of Food and Agriculture Healthy Soils Program Demonstration Projects. July.
• Long, R; Light, S, et al.; Baldwin, R; Putnam, DH (2021). Geese Damage to Small Grain Fields. UC Small Grains Blog. February 22. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=45927
• Light, SE; Gordon, P (2021). Growing the Valley Podcast: Soil Health.P. Gordon. April 20th.
• Light, S; Hanson, B (2021). Herbicide Damage Symptoms on Hemp. CWSS Research Update and News. California Weed Science Society. 15:2, 2-5. October. https://www.cwss.org/wp-content/uploads/2021/10/CWSS_Research_Update-October-2021.pdf
• Light, S (2021). Implementing Nitrogen Rich Reference Zones to Inform In-season N Fertilization in Small Grains. Crop Talk. Yuba Sutter Farm Bureau. 16:11. September. https://issuu.com/yuba-sutterfarmbureau/docs/99459_ysfb_crop_talk_volume_15_no_11_digital
• Mitchell, J; Stoddard, S, et al.; Lenfelder-Miles, M; Aegerter, B; Light, S; Vinchesi-Vahl, A (2021). Multisite demonstration of conservation management practices for soil health and GHG emissions reduction - Final Project Report. California Department of Food and Agriculture Healthy Soils Program Demonstration Projects. April.
• Light, SE; Chalstrom, T (2021). My Ag Life: Pests In Hemp. JCS Marketing. Episode 49. January 28.
• Lundy, ME; Nelsen, T, et al.; Clark, N; Leinfelder-Miles, M; Mathesius, K; Light, S; Galdi, GC; Getts, T (2021). New Tools to Improve N Management in California Small Grain Crops. UC Small Grains Blog. October 21. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=50718
• Light, SE (2021). New UC publication documents herbicide damage symptoms on hemp. CAPCA Adviser Magazine. August. https://capca.com/publication/adviser-magazine-august-2021/
• Hutmacher, R; Putnam, D, et al.; Light, S; Clark, C; Geisseler, D; Hotz, M; Koch, G; Angeles, J; DeBen, C. (2021). Nitrogen Response of Industrial Hemp Cultivars Grown for CBD, Essential Oils. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/2021_proceedings_10222021.pdf
• Light, SE; Gallagher, K, et al.; Nelson, T; Lundy, M (2021). N-Rich Reference Zone Case Study: Colusa County 2020-21. November. https://ucanr.edu/sites/small-grains/files/359219.pdf
• Long, RF; Leinfelder-Miles, M, et al.; Light, S; Putnam, D; Murdock, J; Sumner, D; Kan-Rice, P (2021). Organic alfalfa hay cost study released. UC ANR Alfalfa & Forage News. April 27. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=46452
• Harper, L; Briones, V, et al.; Light, S (2021). Partner Showcase: Colusa County RCD and UC Cooperative Extension. NRCS California Soil Health Newsletter. 4. March/April. https://www.nrcs.usda.gov/wps/portal/nrcs/detailfull/ca/soils/?cid=nrcseprd1651615
• Light, S (2021). Pre-Plant Weed Management Followed by In-Season Control FOR Improved Alfalfa Stand and Yield. Progressive Crop Consultant. JCS Marketing. 6:3, 16-20. May 18. https://progressivecrop.com/2021/05/pre-plant-weed-management-followed-by-in-season-control-for-improved-alfalfa-stand-and-yield/
• Light, SE (2021). Pre-plant Weed Management Improves Alfalfa Stand and Yield. California Weed Science Society Research Update and News. 15:1, 23-28. March. https://www.cwss.org/wp-content/uploads/2021/03/CWSS_Research_Update-March-2021-1.pdf
• Light, S; Gallagher, K, et al.; Nelsen, T; Lundy, M (2021). Project Summary: N-Rich Reference Zone Case Study - Colusa (2020-2021). September. https://ucanr.edu/sites/sutteryuba/files/362687.pdf
• Light, S; Clark, N, et al.; Nelsen, T; Galdi, G; Getts, T; Leinfelder-Miles, M; Mathesius, K; Lundy, M (2021). Remote Education and Demonstrations of Advanced Nitrogen Management Tools for Small Grains Growers in California. Soil Science Society of America—Agronomy Society of America—Crop Science Society of America. Annual Meeting Proceedings.
• Long, R; Light, S, et al.; Baldwin, R; Putnam, DH (2021). Unwelcome Grazers: Geese Sweep in and Strip Alfalfa and Grain Fields Bare. Alfalfa and Forage News. February 20. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=45921
• Leinfelder-Miles, M; Clark, N, et al.; Nelsen, T; Getts, T; Mathesius, K; Light, S; Galdi, G; Lundy, M (2021). Using N-Rich Reference Zones to Inform In-Season Nitrogen Fertilization in California Small Grains. Progressive Crop Consultant. JCS Marketing. 6:2, 8-11. March/April. https://progressivecrop.com/magazine-archive/march-april-2021/
• Lundy, M; Nelson, T, et al.; Clark, N; Galdi, G; Getts, T; Leinfelder-Miles, M; Light, S; Mathesius, K. (2020). Achieving Efficient Nitrogen Fertilizer Management in California Wheat. CDFA Fertilizer Research and Education Program Proceedings. https://www.cdfa.ca.gov/is/ffldrs/frep/pdfs/Proceedings_2020.pdf
• Berris, H; Light, SE (2020). BeeSafe: BotaniGard Maxx Best Management Practices in Hemp. June. https://ucanr.edu/sites/sutteryuba/files/328743.pdf
• Park, B; Light, SE (2020). Equipment to Manage Cover Crops in Annual Rotations. Sacramento Valley Field Crops Newsletter. 7. September. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes86733.pdf
• Light, SE (2020). Evaluation of Cover Crops on Soil Moisture Dynamics - 2020 Annual Report. California Department of Food and Agriculture Healthy Soils Program Demonstration Projects. July.
• Light, SE; Hoffman, F (2020). Farm Hour Radio Program: Cover Crops in the Sacramento Valley-Part 1. KSTE (650 AM). November 20.
• Light, SE; Hoffman, F (2020). Farm Hour Radio Program: Cover Crops in the Sacramento Valley-Part 2 . KSTE (650 AM). November 26.
• Light, SE (2020). Final Project Report: Reducing Weed Pressure During Stand Establishment Using Pre-Plant Weed Germination Followed by Mechanical or Chemical Control. California Alfalfa and Forage Research Foundation. October.
• Clark, N; Getts, T, et al.; Galdi, G; Nelsen, T; Leinfelder-Miles, M; Light, S; Mathesius, K; Lundy, M (2020). Hand-held electronic devices help you make better nitrogen fertilizer decisions. UC Small Grains Blog. June 30.
• Light, SE; Vinchesi-Vahl, A (2020). Healthy Soils Demonstration Project Results: Winter Cover Crops in Annual Rotations. Sacramento Valley Field Crops Newsletter. September. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes86733.pdf
• Light, SE; Hanson, B (2020). Herbicide Damage Symptoms on Hemp. UC Weed Science Blog. March 9. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=39604
• Leinfelder-Miles, M; Clark, N, et al.; Light, S; Mathesius, K; Getts, T; Galdi, G; Nelsen, T; Lundy, M (2020). Implementing N-Rich Reference Zones to Inform In-Season N Fertilization Practices. UC Small Grains Blog. May 27.
• Light, SE (2020). Incorporating Compost in your Fertilizer Program. California Fresh Fruit Magazine. 37:1, 10. January.
• Light, SE (2020). Managing Soil Fertility with Organic Amendments. Organic Farmer. 3:2. April/May.
• Long, RF; Light, SE (2020). Managing Sunflower Head Moth. Sacramento Valley Field Crops Newsletter. July. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes85829.pdf
• Long, RF; Light, SE (2020). New California blackeye varieties show resistance to cowpea aphid. UC Dry Bean Blog. August 15. http://beans.ucanr.org/?blogpost=43376&blogasset=91063
• Light, SE; Gallagher, K, et al.; Nelsen, T; Lundy, M (2020). N-Rich Reference Zone Case Study: Colusa County 2019-2020. November.
• Light, SE; Long, RF (2020). Pest Management Benefits of Implementing Soil Health Practices. CAPCA Adviser. California Association of Pest Control Advisers. 23:3. June.
• Light, SE (2020). Pests In Hemp. Organic Farmer Magazine. JCS Marketing. 3:6, 24-26. December 15. https://organicfarmermag.com/2020/12/pests-in-hemp/
• Light, S; Berris, H (2020). Project Summary: Bee Safe BotaniGard Maxx Best Management Practices in Hemp. July. https://ucanr.edu/sites/sutteryuba/files/328743.pdf
• Light, SE; Vinchesi-Vahl, A (2020). Project Summary: Healthy Soils Demonstration Project Results: Winter Cover Cropping in Annual Rotations. September. https://ucanr.edu/sites/sutteryuba/files/337746.pdf
• Light, S; Gallagher, K, et al.; Nelsen, T; Lundy, M (2020). Project Summary: N-Rich Reference Zone Case Study - Colusa (2019-2020). September. https://ucanr.edu/sites/sutteryuba/files/343765.pdf
• Light, SE (2020). Project Summary: Pre-Plant Weed Management followed by Mechanical or Chemical Control Improves Alfalfa Stand and Yield. November. https://ucanr.edu/sites/sutteryuba/files/340999.pdf
• Light, SE; Vinchesi-Vahl, A (2020). Project Summary: Winter Cover Crop Performance in the Sacramento Valley (2019-2020). September. https://ucanr.edu/sites/sutteryuba/files/337747.pdf
• Berris, H; Light, SE (2020). Protecting Bees in Hemp Production. Organic Farmer. 3:4. August/September.
• Long, RF; Leinfelder-Miles, M, et al.; Light, SE; Putnam, D; Murdock, J; Sumner, DA (2020). Sample Costs to Establish and Produce Alfalfa Hay. UC Davis Agricultural Issues Center. October. https://coststudyfiles.ucdavis.edu/uploads/cs_public/02/ee/02ee0710-8c2c-41ea-8b25-736d1854b737/alfalfasvdraft10420.pdf
• Long, R; Leinfleder-Miles, M, et al.; Light, SE; Putnam, D; Murdock, J; Sumner, DA (2020). Samples Costs to Establish and Produce Organic Alfalfa Hay. Cost and Returns Studies. October. https://coststudyfiles.ucdavis.edu/uploads/pub/2021/04/20/alfalfaorganiccadraft42021.pdf
• Koch, Geoff; Light, Sarah, et al.; Vinchesi-Vahl, Amber; Stoddard, C. Scott; Aegerter, Brenna; Leinfelder-Miles, Michelle; Mitchell, Jeffrey; Horwath, William (2020). Securing the Future of Highly Productive Annual Cropping Systems in California. ASA-CSSA-SSSA. November.
• Giang, D; Mathesius, K, et al.; Light, SE; Nelsen, T; Leinfelder-Miles, ML; Lundy, M (2020). Video: In-field Soil Nitrate Quite Test: California Grain Production. April. https://www.youtube.com/watch?v=LaMxiDsov04&feature=emb_logo
• Light, SE; Long, RF (2020). Why Aren't My Crops Drying Down. UC Dry Bean Blog. September 18. http://beans.ucanr.edu/?blogpost=43708&blogasset=91063
• Light, SE; Vinchesi-Vahl, A (2020). Winter Cover Crop Performance in the Sacramento Valley. Sacramento Valley Field Crops Newsletter. 7. September. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes86733.pdf
• Lundy, M; Nelsen, T, et al.; McCullough, E; Light, S; Mathesius, K; Leinfelder-Miles, M; Sosnoskie, L; Clark, N; Marsh, B; Wilson, R; Culp, D; Solorio, R (2019). 2018-19 UC Statewide Small Grain Variety Testing Results. UC Small Grains Blog. September 29.
• Light, SE; Hoffman, F (2019). Abiotic Disorders of Sunflowers. Farm Hour Radio Program. KSTE (650 AM). April 7.
• Roberts, PA; Huynh, BL, et al.; Clark, NE; Matthews, WC; Light, SE; Long, RF (2019). BLACKEYE VARIETAL IMPROVEMENT - 2019 PROGRESS REPORT. University of California Dry Bean Research 2019 Progress Report. California Dry Bean Advisory Board.
• Light, SE (2019). Management Practices to Improve Soil Function. Progressive Crop Consultant. 4:4, 22-24. July/August 2019.
• Light, SE (2019). Organic Amendment Managent. Sacramento Valley Field Crops Newsletter. 4. December.
• Mathesius, KP; Light, SE (2019). Septoria Leaf Blotch: Reducing Inoculum After a Pathogen-friendly Winter. Sacramento Valley Field Crops Blog. July 16, 2019. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=30817
• Light, SE; Geisseler, D (2019). Soil Sampling: A Review and Resources. Sacramento Valley Field Crops Newsletter. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes78769.pdf
• Mathesius, KP; Swett, C, et al.; Light, SE (2019). Stripe Rust: be on the lookout. Sacramento Valley Field Crops Blog. March 11, 2019. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=29651
• Light, SE; Aegerter, B (2019). Tips for In-Field Diagnosis and Sampling. CAPCA Adviser. 22:3, 44-48. June 2019.
• Light, SE (2019). Using Compost. Sacramento Valley Field Crops Newsletter. December.
• Long, RF; Light, SE (2019). Vegetated filter strips for water quality protection on farms. Sacramento Valley Field Crops Newsletter. Winter 2019. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes78769.pdf
• Light, SE; Vinchesi, A (2019). Winter Weed Observations in Cover Crop Research Plots. UC Weed Science Blog. March 27, 2019. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=29772
• Lundy, M; George, NA, et al.; Rodriquez, M; McCullough, E; Nelsen, T; Becker, T; Matheius, K; Leinfelder-Miles, M; Krill-Brown, A; Galla, M; Light, S; Marsh, B; Wright, SD; Clark, N; Solorio, R; Maciel, F (2018). 2017-2018 UC Statewide Small Grain Variety Testing Results Update. UC Small Grains Blog. October 18.
• Long, RF; Light, SE (2018). Abiotic disorders to watch for in hybrid sunflower seed production. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 3. Summer. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes75475.pdf
• Light, SE (2018). Accurate Diagnosis is Necessary for Disease Management. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 2. Winter. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes73810.pdf
• Long, RF; Light, SE (2018). Ascochyta blight found in garbanzo beans in the Sacramento Valley. UC Dry Bean Blog. February 9. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=26328
• Light, SE (2018). Avoiding and Managing Soil Compaction. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 3. Summer. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes75475.pdf
• Light, SE; Mathesius, K (2018). Concepts in Soil Nitrate Management in Wheat and Other Winter Grasses. Sacramento Valley Field Crops Newsletter. 2. Winter. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes73810.pdf
• Light, SE (2018). Cover Crop Management in Annual Farming Systems. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 4. Fall. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes76822.pdf
• Long, RF; Light, SE (2018). Disease issues in garbanzo production in the Sacramento Valley. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 3. Summer. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes75475.pdf
• Long, RF; Galla, M, et al.; Mathesius, K; Light, S; Putnam, D (2018). Key to managing springtime weeds in seedling alfalfa stands: Patience. Alfalfa and Forage News. April 6. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=26814
• Light, S; Niederholzer, F (2018). Optimizing on farm inputs: strategies to reduce the off-farm movement of environmental contaminants. Progressive Crop Consultant.K. Coatney. JCS Marketing. 3:5, 8-12. Sept/Oct. https://www.yumpu.com/en/document/fullscreen/62119532/pcc-septoct-2018-final-e
• Clark, N; Light, SE, et al.; Leinfelder-Miles, M; Long, R; Stewart, D (2018). Sample costs to produce garbanzo beans (chickpea) in Southern San Joaquin Valley. Davis, CA, UCANR Agricultural Issues Center. https://coststudyfiles.ucdavis.edu/uploads/cs_public/5b/00/5b001795-5a45-4340-a83f-76ca9d8ce6af/2018garbanzobeansjvsouthfinaldraft3118.pdf
• Light, SE; Leinfelder-Miles, M, et al.; Long, R; Clark, N; Stewart, D (2018). Sample costs to produce garbanzo beans (chickpea) in the Sacramento Valley and the Northern San Joaquin Valley. Davis, CA, UCANR Agricultural Issues Center. https://coststudyfiles.ucdavis.edu/uploads/cs_public/8c/23/8c232c39-e3b8-4f12-ac02-911cb4602cc2/2018garbanzobeansacvalfinaldraft22018.pdf
• Long, RF; Light, SE, et al.; Galla, M; Murdock, J (2018). Sample costs to produce sunflowers for hybrid seed in the Sacramento Valley. Davis, CA, UCANR Agricultural Issues Center. https://coststudyfiles.ucdavis.edu/uploads/cs_public/18/2d/182dcc66-2b3e-4048-b639-b87d0a6456fd/2018sunflowerssacval-finaldraft_92618.pdf
• Light, SE (2018). Strategies to Reduce Disease on Your Farm. Sacramento Valley Field Crops Newsletter. Yuba City, CA. 2. Winter. http://cesutter.ucanr.edu/newsletters/Agronomy_Notes73810.pdf
• Light, SE (2018). Why I left my Boots in Mozambique. UC Weed Science Blog. September 24. https://ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=28246
• Phillips, C; Light, S, et al.; Lindsey, A; Trippe, K (2017). Pacific Northwest Biochar Atlas. Corvallis, OR. www.pnwbiochar.org

ANR Workgroup Associations

• Agroecology and Organic Farming Systems - Member
• Grain Legume - Member
• Livestock - Crop Integration - Member
• Plant Pathology - Member
• Small Grain - Member
• Weed - Member

Return to Weed Science