GMAT Critical Reasoning (CR) | Re: Farmer: Agricultural techniques such as crop rotation

I am no expert, still let me give it a shot. Do let me know in case you have any further doubts.

Farmer: Agricultural techniques such as crop rotation that do not use commercial products may solve agricultural problems at least as well as any technique, such as pesticide application, that does use such products. Nonetheless, no private for-profit corporation will sponsor research that is unlikely to lead to marketable products. Thus, for the most part,
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