Although there are immediate short-term gains in crop yield from a single application of certain hydrocarbon-based pesticides to fields on which they have not been previously used, studies have shown clearly that long-term use gradually depresses crop yield conclude that use of these pesticides _______.
What this question is testing
Given
These pesticides are the ultimate short-term relationship: great first impression, diminishing returns over time. The first application gives a nice yield boost. Then, with continued use, yields start sliding back down from that high point.
Evaluate
The "although" at the beginning is LSAT code for "yes, but actually..." The short-term gain is the concession; the long-term decline is the real story. And notice what the evidence does not say — it does not say yields drop below where they started. They drop from the "initially elevated level." So the pesticides might still be helping, just less and less.
Goal
Find the answer that captures "diminishing returns" without overcommitting to "total waste of money" or "environmental catastrophe."
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