Soils of good tilth and high productivity are usually characterized by stable aggregation and a high percentage of macropores.
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Question 2Compared to a similar soil under native vegetation, a soil with a long history of conventionally tilled cropping would have less micropore space.
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Question 3For most soils, plowing and harrowing every year improves soil tilth in the long run.
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Question 4A friable soil is usually more likely to be indurated.
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Question 5Proper timing of tillage is generally more difficult for a clayey than for a sandy soil.
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Question 6Tillage when the soil is too wet is likely to increase the soil bulk density.
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Question 7Light colored surface soils are likely to be warmer than dark-colored surface soils if soil moisture and other conditions are the same.
Indicate whether the statement is true or false
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