True/False Indicate whether the
statement is true or false.
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1.
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A fertile soil is not necessarily a productive soil.
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2.
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One of the functions of agricultural soils for plants is that the soil provides
air to the plants roots.
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3.
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Decaying plant matter does not add nutrients back to the soil.
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4.
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The more clay we have in the soil, the more water it can hold.
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Numeric Response
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5.
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On average, we say that a sample of soil is approximately _____% mineral
matter.
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6.
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On average, we say that a sample of soil is approximately _______% organic
matter.
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Completion Complete each
statement.
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7.
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Macro pores are holes in the soil that mostly hold _____________.
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8.
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Micro pores are very small holes in the soil that mostly hold
_______________.
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9.
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Soil organic matter contains many elements, with the main one being ___________,
which makes up approximately 56% of SOM.
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Short Answer
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10.
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Define
Humus:
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
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