The high productivity of American agriculture is exemplified by _______.
  • high crop yields per farm worker
  • on hilly, mountainous farm land
  • high levels of productivity and mechanization
  • soil excavation and disposal
Contour farming is a method for plowing across the slope of steep hills.
  • True
  • False
Crop rotation is a method of soil conservation because _______.
  • high levels of productivity and mechanization
  • It revolves around herding livestock.
  • it avoids the depletion of soil nutrients
  • It reduces soil compaction by turning the soil.
Which of the following is true concerning pastoralism?
  • It revolves around herding livestock.
  • soil excavation and disposal
  • It reduces soil compaction by turning the soil.
  • high levels of productivity and mechanization
Which of the following is the most damaging method of soil remediation?
  • None of the above
  • high levels of productivity and mechanization
  • It revolves around herding livestock.
  • soil excavation and disposal
Where would contour farming and terraces be most likely to be found?
  • high crop yields per farm worker
  • soil excavation and disposal
  • on hilly, mountainous farm land
  • high levels of productivity and mechanization
How does flooding rice fields reduce the need for herbicides and pesticides in rice farming?
  • While rice has a submerged growth state, most weeds and pests do not.
  • high crop yields per farm worker
  • high levels of productivity and mechanization
  • Wheat and corn are common products of tropical plantations.
Which of the following is not a method for addressing soil contamination?
  • None of the above
  • soil excavation and disposal
  • all of the above
  • high levels of productivity and mechanization
Pastoral farming is best described as _______.
  • It reduces soil compaction by turning the soil.
  • It revolves around herding livestock.
  • high levels of productivity and mechanization
  • a method of raising livestock and moving herds
Which of the following is not true concerning tropical plantations?
  • soil excavation and disposal
  • high levels of productivity and mechanization
  • It reduces soil compaction by turning the soil.
  • Wheat and corn are common products of tropical plantations.
Which of the following are characteristic of American agriculture?
  • high levels of productivity and mechanization
  • Wheat and corn are common products of tropical plantations.
  • It revolves around herding livestock.
  • It reduces soil compaction by turning the soil.
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