CCA International Exam Nutrient Management
CCA INTERNATIONAL EXAM NUTRIENT MANAGEMENT NEWEST
2025/2026 COMPLETE ALL 100 QUESTIONS AND CORRECT ANSWERS
|ALREADY GRADED A+||BRAND NEW VERSION!
Which of the following soils would have the highest lime requirement to meet a
target pH of 6.5?
a. pH 5, 25% clay, 2% organic matter
b. pH 5, 10% clay, 1 % organic matter
c. pH 6, 25% clay, 2% organic matter
d. pH 6.5, 60% clay, 2.2% organic matter
a. pH 5, 25% clay, 2% organic matter
At which of the following soil pHs would phosphorus be most available for plant
uptake?
a. 4.8
b. 5.8
c. 6.8
d. 7.8
c. 6.8
Which of the following micronutrients is more available at pH 7 than at pH 5?
a. Mo
b. Cu
c. Fe
d. Zn
a. Mo
Which of the following actually neutralizes soil acidity when lime is applied?
a. Ca
b. CO3-
c. OH-
d. H+
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, CCA International Exam Nutrient Management
b. CO3-
Which of the following is not used in determining a lime recommendation?
a. effectiveness pf the liming material
b. exchangeable sodium percentage
c. target pH
d. extent of soil buffering
b. exchangeable sodium percentage
Lime passing through which of the following mesh sizes would be of the greatest
benefit in neutralizing soil acidity?
a. 10
b. 20
c. 40
d. 60
d. 60
ECCE is the product of Effectiveness and ____________.
a. aglime content
b. neutralizing power
c. basicity
d. calcium carbonate equivalence
d. calcium carbonate equivalence
If the ECCE of a liming material is 65 and the lime recommendation for a state is
based on a material with an ECCE of 80, how should lime rate be adjusted for the
material with an ECCE of 65?
a. no change
b. 1.2 times recommendation
c. 2.4 times recommendation
d. 0.8 times recommendation
b. 1.2 times recommendation
2|Page
, CCA International Exam Nutrient Management
Which of the following is least likely to change soil pH?
a. elemental S
b. alum
c. ammonium sulfate
d. gypsum
d. gypsum
Which of the following is a characteristic of a N deficiency?
a. leaves yellow at the bottom of the plant first
b. leaves yellow at the top of the plant first
c. bottom leaves become purple
d. interveinal chlorosis inward from leaf margin
a. leaves yellow at the bottom of the plant first
Soil testing and plant tissue test are usually _____________.
a. completed at the same time
b. done monthly during the growing season
c. used to test for nutrient deficiencies
d. done when plants mature
c. used to test for nutrient deficiencies
Which of the following best describes adaptive nutrient management?
a. Adjust nutrient applications to optimize yields and profits
b. adjust nutrient applications for highest yields
c. Adjust nutrient management for acceptable yields and profits
d. resist changing nutrient management
a. Adjust nutrient applications to optimize yields and profits
Production history or level of management is a good way to determine
__________.
a. equipment needs
b. yield goals
3|Page
CCA INTERNATIONAL EXAM NUTRIENT MANAGEMENT NEWEST
2025/2026 COMPLETE ALL 100 QUESTIONS AND CORRECT ANSWERS
|ALREADY GRADED A+||BRAND NEW VERSION!
Which of the following soils would have the highest lime requirement to meet a
target pH of 6.5?
a. pH 5, 25% clay, 2% organic matter
b. pH 5, 10% clay, 1 % organic matter
c. pH 6, 25% clay, 2% organic matter
d. pH 6.5, 60% clay, 2.2% organic matter
a. pH 5, 25% clay, 2% organic matter
At which of the following soil pHs would phosphorus be most available for plant
uptake?
a. 4.8
b. 5.8
c. 6.8
d. 7.8
c. 6.8
Which of the following micronutrients is more available at pH 7 than at pH 5?
a. Mo
b. Cu
c. Fe
d. Zn
a. Mo
Which of the following actually neutralizes soil acidity when lime is applied?
a. Ca
b. CO3-
c. OH-
d. H+
1|Page
, CCA International Exam Nutrient Management
b. CO3-
Which of the following is not used in determining a lime recommendation?
a. effectiveness pf the liming material
b. exchangeable sodium percentage
c. target pH
d. extent of soil buffering
b. exchangeable sodium percentage
Lime passing through which of the following mesh sizes would be of the greatest
benefit in neutralizing soil acidity?
a. 10
b. 20
c. 40
d. 60
d. 60
ECCE is the product of Effectiveness and ____________.
a. aglime content
b. neutralizing power
c. basicity
d. calcium carbonate equivalence
d. calcium carbonate equivalence
If the ECCE of a liming material is 65 and the lime recommendation for a state is
based on a material with an ECCE of 80, how should lime rate be adjusted for the
material with an ECCE of 65?
a. no change
b. 1.2 times recommendation
c. 2.4 times recommendation
d. 0.8 times recommendation
b. 1.2 times recommendation
2|Page
, CCA International Exam Nutrient Management
Which of the following is least likely to change soil pH?
a. elemental S
b. alum
c. ammonium sulfate
d. gypsum
d. gypsum
Which of the following is a characteristic of a N deficiency?
a. leaves yellow at the bottom of the plant first
b. leaves yellow at the top of the plant first
c. bottom leaves become purple
d. interveinal chlorosis inward from leaf margin
a. leaves yellow at the bottom of the plant first
Soil testing and plant tissue test are usually _____________.
a. completed at the same time
b. done monthly during the growing season
c. used to test for nutrient deficiencies
d. done when plants mature
c. used to test for nutrient deficiencies
Which of the following best describes adaptive nutrient management?
a. Adjust nutrient applications to optimize yields and profits
b. adjust nutrient applications for highest yields
c. Adjust nutrient management for acceptable yields and profits
d. resist changing nutrient management
a. Adjust nutrient applications to optimize yields and profits
Production history or level of management is a good way to determine
__________.
a. equipment needs
b. yield goals
3|Page
