Field research
Microbial Biostimulants in Practice: A Field-Level Look at Nitrogen Dynamics in Bok Choy
A Modesto field trial follows nitrogen dynamics in bok choy and examines the role of microbial biostimulants.
Read the storySeptember / October 2026
PCAs · CCAs · Ag Retailers
Every other monthIn this issue Fertility management
Troubleshooting Poor Nodulation in LegumesA Practical Guide
A practical field guide to assessing legume roots, recognizing poor nodulation and investigating what went wrong.
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From the September / October 2026 issue
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Crop advising
A New Credential for Organic Crop Advisers
Inside the CCA Organic Specialty certification and the practical knowledge it brings to advising organic operations.
Read the storyFumigation
Improving Fumigation Performance Under Growing Scrutiny
Industry experts discuss treatment performance and the growing scrutiny surrounding fumigation in California agriculture.
In the field
The September PCA Checklist: Finish the Season Strong and Defensible
Late-season observations, careful documentation and a stronger foundation for next season’s decisions.
Plant biology
Understanding Endophytes: Biology to Boost Production
The relationship between plants and the bacteria living within them, and what it may mean for crop production.
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