PT 65 S3 Q26

It can be inferred from the passage that if the diseaseorganisms mentioned ... ...

It can be inferred from the passage that if the disease organisms mentioned in bold text were eliminated in a plot of land that had been in constant agricultural use, which one of the following would be the most likely to occur?
(A) Populations of symbiotic mycorrhiza that live in the soil would initially decline.
(B) ...
(C) ...
(D) ...
(E) ...

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