What is the Certified Crop Adviser (CCA) exam?

The CCA exam is a professional certification administered by the American Society of Agronomy (ASA). It tests competency across four areas: soil and water management, nutrient management, pest management, and crop management. Candidates must also meet education and experience prerequisites before sitting for the exam.

How many questions are on the CCA exam?

The CCA exam consists of 200 multiple-choice questions divided across the four competency areas. Candidates have approximately four hours to complete the exam. Each domain is weighted differently, with soil and water management and nutrient management carrying the most weight.

What topics does the agronomy exam cover?

Core topics include soil science (texture, structure, pH, organic matter), nutrient management (macronutrients, micronutrients, fertilizer calculations), crop management (growth stages, variety selection, yield optimization), pest management (integrated pest management, herbicide modes of action), and water management (irrigation scheduling, drainage).

What is the passing score for the CCA exam?

The CCA exam uses a scaled scoring system, and the passing score is set through a standard-setting process. Generally, candidates need to correctly answer approximately 70% or more of questions to pass, though the exact cut score can vary slightly by exam form. Results are typically available within a few weeks after testing.

What are the eligibility requirements to take the CCA exam?

To become eligible, candidates need a combination of education and experience. Options include a four-year degree in an agricultural science plus two years of experience, or an associate degree plus four years of experience, or six years of qualifying experience without a degree. Continuing education credits are required to maintain certification after passing.

How should I prepare for the CCA agronomy certification exam?

Effective preparation includes reviewing the official CCA study guide published by ASA and CSSA, taking practice tests covering all four competency domains, studying soil fertility and fertilizer rate calculations, reviewing integrated pest management principles, and understanding regional crop production systems. Practice tests help identify weak areas so you can focus your study time efficiently.

Agronomy Practice Test

Updated for August 2026

Tony GarzaAug 1, 202612 min read

Agronomy Question and Answers

Science of Weed Study of the management and growth of vegetation in urban and residential settings, as well as in natural areas and agricultural fields.
Organic agriculture Organic farming is a practice of raising plants and animals naturally. In order to maintain soil fertility and ecological stability while reducing waste and environmental contamination, biological materials must be used instead of synthetic ones.

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✓Review the official Agronomy exam content outline
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✅Pros

+Industry-recognized credential boosts your resume
+Higher earning potential (10-20% salary increase on average)
+Demonstrates commitment to professional development
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❌Cons

−Exam preparation requires significant time investment (4-8 weeks)
−Certification fees can be $100-$400+
−May require continuing education to maintain
−Some employers may not require certification

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About the Author

Tony GarzaASE Master Technician, BS Automotive Technology

ASE Master Technician & Automotive Certification Trainer

Universal Technical Institute

Tony Garza is an ASE Master Technician certified across all eight automotive service areas, with a Bachelor of Science in Automotive Technology from Universal Technical Institute. He has 22 years of shop experience and 9 years teaching ASE certification prep courses. Tony specializes in engine performance, electrical systems, and transmission diagnostics for certification candidates.