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Difficulty: MediumMain Point

Agronomist: Many agricultural policy analysts assert that the widespread adoption of precision drip irrigation will substantially alleviate regional groundwater depletion. However, access to precision irrigation typically incentivizes farmers to switch to more lucrative, water-intensive crops or expand their total cultivated acreage. As a result, the overall volume of water extracted from regional aquifers frequently remains unchanged or even increases. Therefore, adopting precision drip irrigation cannot by itself resolve regional groundwater depletion.

Based on the agronomist's argument, what is the author's main conclusion?

Answer: Adopting precision drip irrigation cannot by itself resolve regional groundwater depletion. / Precision drip irrigation cannot by itself resolve regional groundwater depletion. / Adopting precision drip irrigation cannot by itself resolve regional groundwater depletion / Precision drip irrigation cannot by itself resolve regional groundwater depletion / Precision drip irrigation alone cannot resolve regional groundwater depletion. / Precision drip irrigation alone cannot resolve regional groundwater depletion / Adopting precision irrigation cannot by itself resolve regional groundwater depletion. / Adopting precision irrigation cannot by itself resolve regional groundwater depletion / Precision drip irrigation alone cannot solve regional groundwater depletion. / Precision drip irrigation alone cannot solve regional groundwater depletion

Answer

Adopting precision drip irrigation cannot by itself resolve regional groundwater depletion.
The main conclusion of the argument is that adopting precision drip irrigation cannot by itself resolve regional groundwater depletion. The author outlines the opposing viewpoint of policy analysts, presents empirical premises regarding farmer behavioral incentives, and derives an intermediate finding about unchanged extraction volumes to establish this final judgment.

Step-by-Step Solution

1
Identify the opposing position introduced in the passage.
The agronomist introduces the belief held by many analysts that precision drip irrigation will alleviate groundwater depletion.
Arguments on the LSAT frequently open with a counterargument that the author intends to challenge.
2
Analyze the supporting evidence and intermediate inferences.
The premise shows farmers switch to water-intensive crops or expand acreage, leading to the intermediate conclusion that total water extracted remains unchanged or increases.
Distinguishing supporting premises and intermediate findings from the overarching claim prevents misidentifying secondary statements as the main point.
3
Extract the ultimate deduction signaled by the final conclusion indicator.
The author concludes that adopting precision drip irrigation cannot by itself resolve regional groundwater depletion.
This statement is the final claim supported by the entire chain of reasoning and directly refutes the opening viewpoint.

Key Concept

Identifying the Main Conclusion in Logical Reasoning Arguments
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