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Author Question: Because of their huge numbers and direct access to soil organic matter, free living microorganisms ... (Read 33 times)

savannahhooper

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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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Answer to Question 1

FALSE

Answer to Question 2

A




savannahhooper

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Reply 2 on: Jul 22, 2018
Wow, this really help


bblaney

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Reply 3 on: Yesterday
Gracias!

 

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