
Crop Nutrition & Field Trials
Microbial Biostimulants in Practice: A Field-Level Look at Nitrogen Dynamics in Bok Choy
Explore nitrogen dynamics in bok choy through a field-level look at microbial biostimulants.
Read the ArticleResearch. Field Practice. Connection.
Field reporting, practical agronomy and professional resources for PCAs, CCAs and crop consultants working in California agriculture.

From PCC’s Reporting
Start with the crop, the question
and the people studying it.
Progressive Crop Consultant brings together researchers, advisers and agricultural journalists. These selected articles offer starting points for exploring nutrient management, soil biology, pest pressure and the work of crop advising. Each article retains its original author, publication date and field context.

Crop Nutrition & Field Trials
Explore nitrogen dynamics in bok choy through a field-level look at microbial biostimulants.
Read the Article
Soil Health & Cover Crops
A practical guide to investigating poor nodulation in legumes and understanding its implications for cover crops.
Read the ArticlePests
Cecilia Parsons reports on UC research testing drones to deter birds in blueberries, including species responses, crop-protection potential and the questions researchers will study next.
Crop Consulting
Late-season fieldwork is where strong consultants separate themselves by documenting sensitive sites, tightening application windows, evaluating outcomes and turning the season’s evidence into a better plan for the grower.
Crop Advising
Organic agriculture is not simply conventional production with a shorter input list. It is a federally regulated production system in which agronomic decisions, documentation, product flow and risk management must work together.…
Keep the Source Close
Use these original sources for current professional requirements, continuing education information and crop-specific pest management guidance. PCC is a publication and a learning resource; these links take you to the organizations responsible for their own programs.
Crop-specific guidance from the University of California, including pest monitoring and management information.
Explore UC IPM GuidelinesFind California DPR’s public licensee listings and current information about approved continuing education courses.
Search DPR Licensee Lists Find DPR Continuing EducationExplore the regional CCA program and its guidance for professionals pursuing certification.
Explore CCA CertificationProfessional resource links reviewed October 28, 2026. Consult the linked organization for current program details.
From the Page to the Conversation
The research you read. The people you know.
Two days to connect it all in Visalia.

Save the Date
Join fellow PCAs, CCAs, ag retailers and industry partners for education, exhibits and conversations that carry back to the field.
Registration details will be announced by JCS Marketing.
Keep Reading
Read the latest magazine, explore the archive and meet the contributors behind PCC’s reporting.

Progressive Crop Consultant
Choose your magazine and newsletter subscriptions through MyAgLife.