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Author Question: You were advised to use elemental sulfur in the reclamation of a saline-sodic soil. Indicate how the ... (Read 46 times)

karen

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You were advised to use elemental sulfur in the reclamation of a saline-sodic soil. Indicate how the sulfur helps bring about this reclamation.
 
  A) Sulfur stimulates the formation of gypsum in the soil.
  B) Sulfur helps maintain high salt content while reducing exchangeable Na+ levels.
  C) Sulfur is oxidized and forms sulfuric acid which, in turn, removes the exchangeable Na+.
  D) Sulfur leaches down into the soil and increases the soil pH.
  E) Sulfur is oxidized to sulfates that will precipitate much of the exchangeable Na+.

Question 2

If you want to reclaim a saline soil, which of the following practices would you most likely use?
 
  A) Leach the soil with water high in bicarbonates.
  B) Leach the soil with water high in Ca2+ and Mg2+.
  C) Add CaCO3 to reduce the exchangeable Na+ level.
  D) Leach the soil with low salt containing water.
  E) Leach the soil with water having a high SAR ratio.


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karen

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Reply 2 on: Jul 22, 2018
Excellent


billybob123

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Reply 3 on: Yesterday
Gracias!

 

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