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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Giantmushroom Giantmushroom
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6 years ago
All of the following can cause soil acidity EXCEPT ____.
 
 

a. acidic parent materials
  b. rainfall
  c. growing and harvesting crops
  d. fertilizing agricultural fields



Question 2

____ is the reactions of carbonates with water to form hydroxyl ions.
 
 

a. Salinity
  b. Hydrolysis
  c. Alkalinity



Question 3

What type of pH is caused by the percolation of mildly acidic water?
 
 

a. Low
  b. Base
  c. High



Question 4

High salinity is more often a problem in arid parts of the country where natural levels of rainfall are
  not sufficient to flush salts from soil.


 
  Indicate whether the statement is true or false.

Question 5

Chemicals that can be used to acidify soil include sulfur, iron sulfate, and aluminum sulfate.
 
  Indicate whether the statement is true or false.

Question 6

Coarser-ground limes have better lime efficiency.
 
  Indicate whether the statement is true or false.

Question 7

The most acid soil has a pH of about 3.5; the most basic soil has a pH of 10.5. Most soils fall in the
  ranges of 5.0 to 8.0 pH.


 
  Indicate whether the statement is true or false.
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sjordclasssjordclass
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6 years ago
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Giantmushroom Author
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#2
6 years ago
Great answers, all of them were right
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