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(ASA) American Society of Agronomy
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Programa CCA México
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International
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About the Program
CCA Certification Types
Certified Crop Adviser
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Programa CCA México
Programa CCA México
International
International
CCA Certification Types
Certified Crop Adviser
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Programa CCA México
Programa CCA México
International
International
Already Certified
Renew
Renew
Check CEUs
Check CEUs
Self-report CEUs
Self-report CEUs
Report Missing CEUs
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Promote Yourself
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Already Certified
Renew
Renew
Check CEUs
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Self-report CEUs
Self-report CEUs
Report Missing CEUs
Report Missing CEUs
Promote Yourself
Promote Yourself
Get Certified
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Check Application Status
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Get Certified
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Check Application Status
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June 2025
Volume 70, Issue 6
Recent articles
Modern wheat classes converge in grain mineral nutrition—and that’s not great news
April 21, 2025
New podcast episode: The soil health cycle
April 21, 2025
Science meets policy at Congressional Visits Day
April 17, 2025
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June 2025
Volume 70, Issue 6
Recent articles
Modern wheat classes converge in grain mineral nutrition—and that’s not great news
April 21, 2025
New podcast episode: The soil health cycle
April 21, 2025
Science meets policy at Congressional Visits Day
April 17, 2025

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In the tissue culture growth room at the National Clonal Germplasm Repository in Corvallis, OR, plant physiologist Barbara Reed studies lingonberry plantlets as technician Janine DePaz immerses germplasm samples in liquid nitrogen for long-term storage. Photo by Stephen Ausmus.

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April 7, 2025

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