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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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alannah007 alannah007
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6 years ago

____________________ are plants in which certain bacteria use nitrogen gas from the air and convert it to nitrate.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 2

In acid soils, ____________________ is needed to raise the pH value for efficient production of crops.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 3

The process by which water soaks into and moves through the soil is called ____________________.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 4

Soil groups within the subclasses are called ____________________ units.
 
 


 
  Fill in the blank(s) with the appropriate word(s).

Question 5

Hydroponics is the practice of growing plants without ____________________.
 
 


 
  Fill in the blank(s) with the appropriate word(s).
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Replies
wrote...
#1
6 years ago
Answer to #1

ANS: Legumes

Answer to #2

ANS: lime

Answer to #3

ANS: percolation

Answer to #4

ANS: capability

Answer to #5

ANS: soil
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