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(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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Foundations of Applied Agronomy
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Decode 6
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Foundations of Applied Agronomy
Foundations of Applied Agronomy
Soils Glossary
Soils Glossary
Continuing Education
Online Classroom
Online Classroom
Webinars
Webinars
Podcast
Podcast
Decode 6
Decode 6
Foundations of Applied Agronomy
Foundations of Applied Agronomy
Soils Glossary
Soils Glossary
Publications
Online Library
Online Library
Publish With Us
Publish With Us
Journals
Journals
Books
Books
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Editorial Policies
Editorial Policies
Volunteer
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Online Library
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Publish With Us
Publish With Us
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Crops & Soils Magazine
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Programa CCA México
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Renew
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Decode 6
Decode 6
Certified Professional Soil Scientists
Certified Professional Soil Scientists
Certification
About the Program
CCA Certification Types
Certified Crop Adviser
Certified Crop Adviser
Specialty Certifications
Specialty Certifications
Programa CCA México
Programa CCA México
International
International
CCA Certification Types
Certified Crop Adviser
Certified Crop Adviser
Specialty Certifications
Specialty Certifications
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
Report Missing CEUs
Promote Yourself
Promote Yourself
Already Certified
Renew
Renew
Check CEUs
Check CEUs
Self-report CEUs
Self-report CEUs
Report Missing CEUs
Report Missing CEUs
Promote Yourself
Promote Yourself
About the Program
CCA Certification Types
Certified Crop Adviser
Certified Crop Adviser
Specialty Certifications
Specialty Certifications
Programa CCA México
Programa CCA México
International
International
CCA Certification Types
Certified Crop Adviser
Certified Crop Adviser
Specialty Certifications
Specialty Certifications
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
Report Missing CEUs
Promote Yourself
Promote Yourself
Already Certified
Renew
Renew
Check CEUs
Check CEUs
Self-report CEUs
Self-report CEUs
Report Missing CEUs
Report Missing CEUs
Promote Yourself
Promote Yourself
Get Certified
The Process
The Process
Credential Booklet
Credential Booklet
Check Application Status
Check Application Status
Get Certified
The Process
The Process
Credential Booklet
Credential Booklet
Check Application Status
Check Application Status
Exam Information
Registration Information
Registration Information
Exam Dates
Exam Dates
Performance Objectives
Performance Objectives
Preparing for the Exam
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Examinee Handbook
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Remote Proctor Information
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Examinee Handbook
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Get CEUs
Purchase Courses
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My Courses
My Courses
Online Classroom Subscription
Online Classroom Subscription
Live Webinars
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Sustainable Agronomy Conference
Sustainable Agronomy Conference
Foundations of Applied Agronomy
Foundations of Applied Agronomy
Crops & Soils Magazine
Crops & Soils Magazine
Events Calendar
Events Calendar
Get CEUs
Purchase Courses
Purchase Courses
My Courses
My Courses
Online Classroom Subscription
Online Classroom Subscription
Live Webinars
Live Webinars
Sustainable Agronomy Conference
Sustainable Agronomy Conference
Foundations of Applied Agronomy
Foundations of Applied Agronomy
Crops & Soils Magazine
Crops & Soils Magazine
Events Calendar
Events Calendar
Offer CEUs
CEU Application
CEU Application
About Offering CEUs
About Offering CEUs
CCA Board CEU Contacts
CCA Board CEU Contacts
Offer CEUs
CEU Application
CEU Application
About Offering CEUs
About Offering CEUs
CCA Board CEU Contacts
CCA Board CEU Contacts
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
Contact Your Local Board
Board Resources
Marketing Programs
Marketing Programs
CCA Policy Manual
CCA Policy Manual
Board Minutes
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Board Resources
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CCA Policy Manual
CCA Policy Manual
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Find a CCA
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Decode 6
Decode 6
Certified Professional Soil Scientists
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March 2025
Volume 70, Issue 3
Recent articles
Cast your vote in the Society elections—March 3 to April 3
March 4, 2025
Protecting Long Beans From Aphids and Nematodes
March 4, 2025
In memoriam: Michael “Mike” Lilly
February 28, 2025
CSA News
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Contact us
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Subscribe to Our Newsletter
March 2025
Volume 70, Issue 3
Recent articles
Cast your vote in the Society elections—March 3 to April 3
March 4, 2025
Protecting Long Beans From Aphids and Nematodes
March 4, 2025
In memoriam: Michael “Mike” Lilly
February 28, 2025

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Wera-103

Wera-103

Figure 1. Small-plot seeder establishing strips 7.5 ft in width down the length of the field.

Evaluation of Slope Position for Variable-Rate Fertilization in Southern Alberta

February 24, 2025

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