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Author Question: What is the difference between a nonselective and a selective herbicide? What will be an ideal ... (Read 80 times)

Beheh

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on: Jul 22, 2018
What is the difference between a nonselective and a selective herbicide?
 
  What will be an ideal response?

Question 2

Why are weeds considered pests?
 
  What will be an ideal response?


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Brenm

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Reply #1 on: Jul 22, 2018
Answer to Question 1

A nonselective herbicide kills all plants that it contacts. A selective herbicide will kill only
certain types of plants



Answer to Question 2

Weeds can harbor insects and diseases, compete with plants for nutrients and water,
block sunlight, lower the quality of a crop, and spread rapidly.



Beheh

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Reply #2 on: Jul 22, 2018
TY


Brenm

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Reply #3 on: Jul 22, 2018
You're welcome


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