Dr. Jairo Diaz

Director

ANR Desert Research & Extension Center
1004 Holton Road
Holtville, CA 92250
760-356-3065
jdiazr@ucanr.edu

http://drec.ucanr.edu

http://drec.ucanr.edu/

Education

Ph.D. Water Resources Engineering, Mississippi State University. 2007

MS Water Resources Engineering, University of Puerto Rico. 2004

B.S. Agricultural Engineering, Universidad Nacional de Colombia. 1997

Specialty

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

• Water
• Soil and Land
• Soil and Land - General
• Soil
• Land
• Soil and Land - Other
• Watersheds and River Basins
• Watersheds and River Basins - General
• River Basins
• Watersheds
• Watersheds and River Basins - Other
• Water
• Conservation and Efficient Use of Water
• Watershed Protection and Management
• Soil, Plant, Water, Nutrient Relationships
• Drainage and Irrigation Systems and Facilities
• Geographic Information Systems
• Spanish
• Nutrients and Water in Agricultural Landscapes
• Responding To Climate Change
• Research and Extension Centers
• Water Quality, Quantity, and Security

Bibliography

Peer Reviewed

• Geisseler, D.; Soto Ortiz, R., et al.; Diaz, J. (2022). Nitrogen Nutrition and Fertilization of Onions (Allium cepa L.) – A Literature Review. Scientia Horticulturae. 291:110591.
• Porch, T.; Barrera, S., et al.; Berny, J.; Diaz-Ramirez, J.; Pastor-Corrales, M.; Gepts, P.; Urrea, C.A.; Rosas, J.C. (2021). Release of Tepary Bean TARS-Tep 23 Germplasm with Broad Abiotic Stress Tolerance and Rust and Common Bacterial Blight Resistance. Journal of Plant Registrations. 1:11.
• Núñez-Ramírez, F.; Escobosa-García, I., et al.; Cárdenas-Salazar, V.; Santillano-Cázares, J.; Ruelas-Islas, J. del R.; Preciado-Rangel, P.; Díaz-Ramírez, J. (2020). Tensión de Humedad del Suelo, Crecimiento, Eficiencia en el Uso del Agua y Rendimiento de Maíz Cultivado en el Noroeste de México. Terra Latinoamericana. 38, 805-815.

Non-Peer Reviewed

• Diaz, J.; Buenrostro, J. (2023). Evaluation of Broccoli Cultivars for Production in Imperial County, CA. Imperial County Agricultural Briefs. 26:1. January.
• Diaz, J; Soto, R, et al.; Geisseler, D. (2021). Assessing Drip Irrigation and Nitrogen Management of Fresh Onions Produced in California Low Desert. Annual Report. California Department of Food and Agriculture, Fertilizer Research and Education Program. January.
• Diaz-Ramirez, J; Soto-Ortiz, R, et al.; Geisseler, D; Donis-Gonzalez, I (2021). Assessing the Impact of Furrow and Drip Irrigation Systems on Fresh Market Onions in Imperial County, California. American Society of Agricultural and Biological Engineers. San Diego. December 6-8.
• Diaz-Ramirez, J; Soto-Ortiz, R, et al.; Geisseler, D; Donis-Gonzalez, I (2021). Assessing the Impact of Furrow and Drip Irrigation Systems on Fresh Market Onions in Imperial County, California. American Society of Agricultural and Biological Engineers. 4.
• Diaz, J.; Magallon, G., et al.; Buenrostro, J. (2021). Evaluation of Broccoli and Cabbage Cultivars for Production in Imperial County, CA. Imperial County Agricultural Briefs. University of California, Agriculture and Natural Resources. 24:8. https://ceimperial.ucanr.edu/news_359/Ag_Briefs/?newsletteritem=90718
• Fitchette, T; Diaz, J (2021). Researchers study onion crop's nitrogen needs. Western Farm Press.T. Fitchette. February 18. https://www.farmprogress.com/soil-health/researchers-study-onion-crops-nitrogen-needs
• Webb-Martinez, K.; Alviz, K, et al.; Koundinya, V; Meng, Y; Diaz, J; Collins, S; Amparano, S. (2021). Ripple Effect Mapping: Zoom Adaptation. University of California, Division of Agriculture and Natural Resources, CE Program Evaluation. https://ucanr.edu/sites/CEprogramevaluation_style4preview/Measuring_Outcomes/
• Diaz, J; Soto, R, et al.; Geisseler, D. (2020). Assessing Drip Irrigation and Nitrogen Management of Fresh Onions Produced in California Low Desert. Annual Report. California Department of Food and Agriculture, Fertilizer Research and Education Program. January.
• Diaz, J; Soto, R, et al.; Geisseler, D. (2020). Assessing Drip Irrigation and Nitrogen Management of Fresh Onions Produced in California Low Desert. University of California, Agriculture and Natural Resources, Imperial County Agricultural Briefs. 23:8. September.
• Diaz, J; Soto, R, et al.; Geisseler, D. (2020). Toward Improving irrigation and Nitrogen Management in Fresh Market Onions in California Low Desert Region. The National Onion Association. 38:8. October/November.
• Diaz, Jairo; Soto, Roberto, et al.; Geisseler, Daniel; Bornhorst, Gail; Donis-Gonzalez, Irwin (2017). Evaluation of Water Management Techniques and Fertilizer Rates in Onion Production in California’s Low Desert Region. Imperial County Agricultural Briefs. December.
• Wills, Stacey; Collins, Stephanie, et al.; Diaz, Jairo (2017). Imperial Valley Outdoor Wildlife Learning Site (IVOWLS). July.
• Diaz, Jairo; Soto, Roberto, et al.; Geisseler, Daniel; Bornhorst, Gail; Donis-Gonzalez, Irwin (2017). Manejo del Riego y Nitrogeno en Cebolla en el Desierto de California. Imperial County Agricultural Briefs. December.
• Bachie, Oli; Devkota, Pratap, et al.; Diaz, Jairo (2017). Preliminary Results of Imperial Valley Growers Needs Assessment Survey. Imperial County Agricultural Briefs. September.
• Bean, Travis; Bachie, Oli, et al.; Diaz, Jairo (2016). Integrated Weed Management in California’s Desert Melons: Evaluation of Split Herbicide Applications and Plastic Mulch for Weed Control and Crop Injury Under Drip and Furrow Irrigation in Melon-Sudangrass Rotations. December. Project Report, California Melon Research Board

ANR Workgroup Associations

• Desert - Member
• Vegetable Crops - Member

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