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Author Question: Broadleaf weeds in a cornfield can be killed with a(n) _____ herbicide without damaging the corn. ... (Read 75 times)

Jipu 123

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on: Jul 21, 2018
Broadleaf weeds in a cornfield can be killed with a(n) _____ herbicide without damaging the corn.
 
  A) selective
  B) nonselective
  C) aspecific
  D) specific

Question 2

Using examples, summarize the role of light in germination.
 
  What will be an ideal response?


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whitcassie

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Reply #1 on: Jul 21, 2018
Answer to Question 1

A

Answer to Question 2

Some seeds are stimulated to grow by light, while others are inhibited by the presence of light. It is
necessary to have some knowledge of the presence or absence of special light requirements for some
specialty crops. Many of the agronomic crops do not require light for germination. Ornamental
bedding plants are more likely to require light for germination. Some crops requiring light for
germination are ageratum, begonia, impatiens, and petunia. Lettuce also requires light for successful
germination.



Jipu 123

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Reply 2 on: Jul 21, 2018
:D TYSM

yeungji

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Reply 3 on: Yesterday
Wow, this really help

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