The moldboard plow:
a. turns soil to mix crop residue, livestock manure, lime, and fertilizer
b. leaves the crop residue on the surface of the soil
c. leaves a large ditch for irrigation purposes
d. is no longer used because it encourages erosion
A
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What will be an ideal response?
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Answer the following statement true (T) or false (F)
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a. marine phytoplankton b. freshwater deposits of herbaceous plants c. minerals similar to coal d. carboniferous rock
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