PT 65 S3 Q25

In which one of the following circumstances would it beLEAST advantageous ... ...

In which one of the following circumstances would it be LEAST advantageous to use the methods researched in the Netherlands study in order to restore to its natural state a field that has been in constant agricultural use?
(A) The field’s natural nutrients have been depleted through overproduction.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in Dec 2011 LSAT (PT 65): Reading Comprehension