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Progressive Crop Consultant

The Magazine

Research and field practice for PCAs, CCAs and agricultural professionals.

Progressive Crop Consultant, inside page 18Progressive Crop Consultant, inside page 19
September / October 2026 cover

The Magazine · September / October 2026

A Closer Look.
A Better Recommendation.

Research, practical agronomy and the voices shaping crop consulting. Take time with the complete issue, with every story, photograph and advertiser in place.

44 Pages · September / October 2026

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From This Issue

Nutrition · Page 8

Understanding Endophytes: Biology to Boost Production

Soils contain vast numbers of microorganisms, including bacteria, fungi, and archaea. Most have neutral or positive effects on plant growth, and some are pathogenic. Only 2% to 5% of soil microbes are…

Crop Consulting · Page 14

The September PCA Checklist: Finish the Season Strong and Defensible

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.

Fertility Management · Page 18

Troubleshooting Poor Nodulation in Legumes: A Practical Guide

Legumes, plants from the bean family, are known for their ability to add nitrogen to the soil. This makes them a popular choice in cover cropping, supplying both nitrogen for the cash…

Fumigation · Page 24

Improving Fumigation Performance Under Growing Scrutiny

“Fumigation is under the microscope.” That’s how Roger Isom, president and CEO of the Western Tree Nut Association (WTNA), describes the current regulatory environment surrounding fumigation in California agriculture.

Crop Advising · Page 30

A New Credential for Organic Crop Advisers

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.…

Environmental · Page 40

Soil NOx: Is it the next air pollution issue… or not?

In 1994, the California Air Resources Board (CARB) had initially identified “soil NOx” as a significant source of air pollution coming from agriculture in the San Joaquin Valley. Soil NOx includes emissions…

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Progressive Crop ConsultantSeptember / October 2026 · Complete Edition
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