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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Calypso1992 Calypso1992
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6 years ago
Research has shown that most herbicides and insecticides used in agriculture drastically reduce the numbers of living meso- and microorganisms in soils for several years after the application of these chemicals.
 
  Indicate whether the statement is true or false

Question 2

Actinomycetes tend to dominate soils that are either very acid, very cold, or very dry.
 
  Indicate whether the statement is true or false

Question 3

Active soil acidity is a measure of the H+ ion activity in the soil solution.
 
  Indicate whether the statement is true or false

Question 4

The higher the cation exchange capacity of a soil, the greater is its buffer capacity.
 
  Indicate whether the statement is true or false

Question 5

Mycorrhizae do not normally kill their host plants, but merely reduce the efficiency of the plant root system.
 
  Indicate whether the statement is true or false
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steph7247steph7247
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6 years ago
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Calypso1992 Author
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6 years ago
Brilliant ツ
Marcie D
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Yesterday
Smart ... Thanks!
kc123
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2 hours ago
Thanks for your help!!
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