Lack of adequate drainage in irrigation projects leads to the ...

[Chelseaamend]

Lack of adequate drainage in irrigation projects leads to the accumulation of CaCO3 that is responsible for the high pH values above 8.5.
 
  Indicate whether the statement is true or false

Question 2

Bright brownish or reddish colored soil or saprolite layers encountered during excavation are likely to be result in acid sulfate soil problems if exposed to the air.
 
  Indicate whether the statement is true or false

[janeli]

Answer to Question 1

FALSE

Answer to Question 2

FALSE