Weed's Impact on Crop Yields
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Questions and Answers

Which of the following is a way in which weeds can negatively impact field crop yields?

  • Weeds provide shade that blocks sunlight from reaching crops (correct)
  • Weeds attract beneficial insects that help crops
  • Weeds increase the availability of nutrients for crops
  • Weeds release toxins that promote crop growth

    • What is one potential consequence of weeds harboring insects, diseases, or nematodes?

  • Decreased crop yields (correct)
  • Increased crop yields
  • Enhanced crop resistance to pests
  • Improved crop quality

    • Why is effective weed control important for profitable crop production?

  • Weeds can enhance crop growth
  • Weeds can improve soil fertility
  • Weeds can compete with crops for resources (correct)
  • Weeds can increase crop market value

    • Which of the following plant parts allow perennials to spread without producing seeds?

    <p>Stems</p> Signup and view all the answers

    What is the main characteristic of perennials?

    <p>They live for two or more years</p> Signup and view all the answers

    Which of the following is an example of a perennial that spreads through underground stems?

    <p>Milkweed</p> Signup and view all the answers

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