Science Societies
(ASA) American Society of Agronomy
(CSSA) Crop Science Society of America
(SSSA) Soil Science Society of America
(ASF) Agronomic Science Foundation

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Decode 6
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Foundations of Applied Agronomy
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Decode 6
Decode 6
Foundations of Applied Agronomy
Foundations of Applied Agronomy
Continuing Education
Online Classroom
Online Classroom
Webinars
Webinars
Field, Lab, Earth podcast
Field, Lab, Earth podcast
Decode 6
Decode 6
Foundations of Applied Agronomy
Foundations of Applied Agronomy
Publications
Online Library
Online Library
Publish With Us
Publish With Us
Journals
Journals
Books
Books
Crops & Soils Magazine
Crops & Soils Magazine
Editorial Policies
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Peer Review
Peer Review
Soils Glossary
Soils Glossary
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Online Library
Online Library
Publish With Us
Publish With Us
Journals
Journals
Books
Books
Crops & Soils Magazine
Crops & Soils Magazine
Editorial Policies
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Peer Review
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Soils Glossary
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Tours and Workshops
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CEUs Available
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Sustainable Agronomy Conference
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Undergraduate Spring Meeting
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Sustainable Agronomy Conference
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Undergraduate Spring Meeting
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Certified Professional Soil Scientists
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Certification
About the program
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Certified Crop Adviser
Programa CCA México
Certified Professional Agronomist Engineer – Brasil
International
Exam information
About the exam
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Register
Already certified
Renew
Renew
Check CEUs
Check CEUs
Specialty certifications
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Promote yourself
Promote yourself
Get TSP certified
Get TSP certified
Already certified
Renew
Renew
Check CEUs
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Specialty certifications
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Promote yourself
Promote yourself
Get TSP certified
Get TSP certified
Get CEUs
Purchase courses
Purchase courses
My courses (online classroom)
My courses (online classroom)
Online classroom subscription
Online classroom subscription
Other CEU opportunities
Other CEU opportunities
Get CEUs
Purchase courses
Purchase courses
My courses (online classroom)
My courses (online classroom)
Online classroom subscription
Online classroom subscription
Other CEU opportunities
Other CEU opportunities
Offer CEUs
Offer CEUs
Local CCA boards
ICCA Board
ICCA Board
Contact your local board
Contact your local board
Local CCA boards
ICCA Board
ICCA Board
Contact your local board
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Local board resources
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Find a CCA
Find a CCA
Job boards
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Certified Professional Soil Scientists
Certified Professional Soil Scientists
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December 2025
Volume 70, Issue 12
Recent articles
Finding the right fit: A better way to model crucial soil water data
December 15, 2025
University of Wisconsin–Platteville finishes first at Regional Collegiate Crops Judging Contest
December 12, 2025
True, but useless: Turning big challenges into actionable steps
December 11, 2025
CSA News
Issues
Students
Special collections
Science
Careers & Education
About
News & Perspectives
People
Contact us
Contact Us
Submit an Article
Sign up for new content alerts
December 2025
Volume 70, Issue 12
Recent articles
Finding the right fit: A better way to model crucial soil water data
December 15, 2025
University of Wisconsin–Platteville finishes first at Regional Collegiate Crops Judging Contest
December 12, 2025
True, but useless: Turning big challenges into actionable steps
December 11, 2025