OFAC - Organic Fertilizer Association of California
OFAC - Organic Fertilizer Association of California

2025 Salinas Seminar Agenda

7:30 AM – 8:00 AM Registration & Booth Demonstrations

8:00 AM – 8:05 AM Welcome

8:05 AM – 8:20 AM Jon Martin, Sym-Agro

8:20 AM – 8:35 AM Marko Macura, Agrothrive

8:35 AM – 8:50 AM Nanette Simonian, EarthSol

8:50 AM – 9:05 AM Grant Mattos, NatureSafe

9:05 AM – 9:20 AM Jenny Garley, BioSI Technology

9:20 AM – 9:35 AM Neal Giffin, Brandt

9:35 AM - 10:05 AM Booth Demonstrations

10:05 AM – 10:35 AM Why Add Carbon to California Soils?- Milt McGiffen, PhD., Department of Botany and Plant Sciences, University of California
10:35 AM – 11:05 AM Organic Fertility Management Strategies- Gina Colfer, Wilbur-Ellis

11:05 AM – 11:35 AM Grower Panel- Moderated by Jenny Garley, Bio SI Technology   

11:35 AM – 12:05 AM The role of soil biology mitigating abiotic stress and its contribution to nutrient use efficiency- Jose Ramirez            

12:05 PM – 12:45 PM Lunch with Presentation by John Andreas, NRG

12:45 PM – 1:45 PM Organic Fertility Input Requirements for USDA National Organic Program (NOP) certified operations- Cristina Sandoval, Sarah Smith, Monterey County Ag Commissioners                                     

1:45 PM – 2:45 PM 2025 California Pesticide Regulatory Update- Renee Pinel, Western Plant Health

2:45 PM – 2:50 PM Closing Remarks


Continuing Education 


CCA CEUs - 5.5 Total

Pest Management: 2.5

Nutrient Management: 2

Soil and Water: 0.5

Professional Development: 0.5


DPR CEUs – 2.5 Total

Laws and Regulations- 1

Other- 1.5

Thank You Sponsors