Author Question: Azaleas, pin oaks and other acid-soil loving forest plants have evolved very efficient mechanisms ... (Read 71 times)

jlmhmf

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Azaleas, pin oaks and other acid-soil loving forest plants have evolved very efficient mechanisms for extracting iron from soils.
 
  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) application of NH4- containing fertilizers
  B) emission of gases from automobiles
  C) application of unlimed sewage sludge
  D) irrigation with high sodium salt-containing waters
  E) application of farm manure


abctaiwan

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Answer to Question 1

FALSE

Answer to Question 2

D



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