True/False
Indicate whether the statement is true or
false.
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1.
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Commercial fertilizers dissolve quickly and the nutrients go into the soil water
for absorption by the plant.
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2.
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Nutrients in soil solution can be readily taken up by plant roots.
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3.
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A 1/10th cup of clay has more surface area than two football fields.
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Multiple Choice
Identify the choice that best completes the
statement or answers the question.
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4.
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Which of the following does NOT increase the CEC value of soil?
a. | Increasing the clay content | b. | Increasing the sand content | c. | Increasing the
organic matter content | d. | Increasing the soil
pH |
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Multiple Response
Identify one or more choices that best complete
the statement or answer the question.
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5.
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Which of the following elements have a positive charge and are thus held in
clays soils better than elements with a negative charge. (select all that apply)
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Completion
Complete each statement.
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6.
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A ________________ is an element that has a positive charge.
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7.
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An _____________________ is an element that has a negative charge.
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8.
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Which has a higher CEC, clay or organic matter?
____________________________
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Short Answer
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9.
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Define:
Adsorption
____________________________________________________________________
____________________________________________________________________
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10.
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What does ‘CEC’ stand for and what is it’s
definition?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
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