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Author Question: Because of their huge numbers and direct access to soil organic matter, free living microorganisms ... (Read 56 times)

savannahhooper

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on: Jul 22, 2018
Because of their huge numbers and direct access to soil organic matter, free living microorganisms such as Azotobacter typically fix more nitrogen per hectare of land than do nitrogen-fixing bacteria living in plant roots.
 
  Indicate whether the statement is true or false

Question 2

Which of the following human actions is most apt to result in a long term increase in soil pH?
 
  A) irrigation with high sodium salt-containing waters
  B) application of NH4- containing fertilizers
  C) emission of gases from automobiles
  D) application of farm manure
  E) application of unlimed sewage sludge


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Ahernandez18

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

FALSE

Answer to Question 2

A


savannahhooper

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Reply 2 on: Jul 22, 2018
Gracias!

Joy Chen

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Reply 3 on: Yesterday
Excellent

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