True/False Indicate whether the
statement is true or false.
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1
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Agronomic crops use both NO3 and NH4 forms of
nitrogen.
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Multiple Choice Identify the
choice that best completes the statement or answers the question.
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2
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Which of the following is NOT a common symptom of nitrogen deficiency?
a | slow growth | b | higher protein | c | early
maturity | d | less tillering in small grains & grasses |
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3
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Which of the following is NOT a form of nitrogen fixation?
a | biological | c | organic | b | industrial | d | natural
oxidation |
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4
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Which of the following forms of nitrogen fertilizer has the highest percentage
of fertilizer in it?
a | urea | c | ammonium sulfate | b | diammonium phosphate (DAP) | d | monoammonium phosphate
(MAP) |
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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 is nitrogen essential for? (mark all that apply)
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6
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Nitrogen can be lost from the soil in several ways. Chose all that apply.
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Completion Complete each
statement.
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7
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Nitrogen is a builder of ________________, an important nutritional element for
our diet.
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8
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Most nitrogen used by crops comes from the _________________.
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9
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The microbial breakdown of soil organic matter, resulting in the release of
energy and inorganic nutrients available for plant growth is known as ___________________.
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