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Sarah Light

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

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

Alfalfa/Hay, Beans, Wheat, Corn, Sorghum, Sunflower, Safflower, Hemp, Soil Health, Cover Crops, Agronomy, Annual Cropping Systems in the Sacramento Valley.

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

Bibliography

Peer Reviewed

  • Santiago, S; Light, SE, et al. (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. (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. (2021). No-tillage sorghum and garbanzo yields match or exceed standard tillage yields. California Agriculture. September 30.
  • Huynh, BL; Duong, T, et al. (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. (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. (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. (2020). Preliminary evaluation of a decision support tool for biochar amendment. Biochar. Springer. Published online. February 19.
  • Phillips, CL; Light, SE, et al. (2019). Can biochar conserve water in Oregon agricultural soils? Soil & Tillage Research. 198. November 28.
  • RF, Long; Leinfelder-Miles, M, et al. (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. (2019). Sunflower Hybrid Seed Production in California. UCANR Publication. 8638. March. https://anrcatalog.ucanr.edu/pdf/8638.pdf

Non-Peer Reviewed

  • 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
  • Light, S; Lloyd, M, et al. (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, S; Al-Khatib, K, et al. (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, 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 (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/
  • Roberts, PA; Huynh, BL, et al. (2021). Blackeye Varietal Improvement - 2020 Progress Report. California Dry Bean Advisory Board. February.
  • Long, R; Light, S, et al. (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. (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.
  • Light, SE (2021). New UC publication documents herbicide damage symptoms on hemp. CAPCA Adviser Magazine. August. https://capca.com/publication/adviser-magazine-august-2021/
  • Light, SE; Gallagher, K, et al. (2021). N-Rich Reference Zone Case Study: Colusa County 2020-21. November. https://ucanr.edu/sites/small-grains/files/359219.pdf
  • Harper, L; Briones, V, et al. (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. (2021). Project Summary: N-Rich Reference Zone Case Study - Colusa (2020-2021). September. https://ucanr.edu/sites/sutteryuba/files/362687.pdf
  • Kanter, J; Clark, N, et al. (2021). Statewide Collaborative Needs Assessment for California Agronomy. California Agronomy Society of America - Annual Meeting Abstract Proceedings. February.
  • Long, R; Light, S, et al. (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. (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/
  • 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). 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. (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. (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.
  • Giang, D; Mathesius, K, et al. (2020). In-field Soil Nitrate Quite Test: California Grain Production. April. https://www.youtube.com/watch?v=LaMxiDsov04&feature=emb_logo
  • 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. (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. (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. (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. (2020). Samples Costs to Establish and Produce Organic Alfalfa Hay. Cost and Returns Studies.U. UCCE. https://coststudyfiles.ucdavis.edu/uploads/pub/2021/04/20/alfalfaorganiccadraft42021.pdf
  • Koch, Geoff; Light, Sarah, et al. (2020). Securing the Future of Highly Productive Annual Cropping Systems in California. ASA-CSSA-SSSA. November.
  • 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. (2019). 2018-19 UC Statewide Small Grain Variety Testing Results. UC Small Grains Blog. September 29.
  • Roberts, PA; Huynh, BL, et al. (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. (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. (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. (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. (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. (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. (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. (2017). Pacific Northwest Biochar Atlas. Corvallis, OR. www.pnwbiochar.org

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