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spin [16.1K]
3 years ago
15

Which of the following is not true of conservation tiling? A. a method of cultivation in which residues from previous crops are

left in the soil B. residues are partially covering soil and helping it to hold seeds C. there are several types including no tilling D. over 70% of US farmland was planted using conservation tilling in the early 2000s E. all these are false
Biology
1 answer:
tester [92]3 years ago
6 0
<h2>D) is the correct option </h2>

Explanation:

  • Conservation tillage conserves soil by reducing erosion
  • In the Midwest, erosion by water is the primary concern, whereas western regions of the country are more susceptible to wind erosion
  • Soil erosion removes the productive layer of topsoil, reducing crop yields and land value
  • Soil removed from fields eventually ends up as sediment in streams, rivers, or lakes
  • Sediment collects in surface waters, reducing their water-holding capacity and some crop nutrients and pesticides attach to soil particles and are carried and deposited in waterways along with the soil
  • Conventional tillage, such as moldboard plowing, leaves the soil surface bare and loosens soil particles, making them susceptible to the erosive forces of wind and water
  • Conservation tillage practices reduce erosion by protecting the soil surface and allowing water to infiltrate instead of running off
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