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Select the correct answer.

A farmer who has grown corn for the past five years notices in the sixth year that the corn yield has declined. The following year, the harvest continues its decline. Which of the following is the most likely cause of the decreased corn yield?

A. soil degradation
B. desalinization
C. better irrigation
D. terracing



Answer :

GinnyAnswer

Final answer:

Soil degradation is key for declining crop yields due to farm failures which can be mitigated by improved farming practices.


Explanation:

Answer:

Soil degradation is the correct answer in this case. Soil degradation refers to the deterioration of soil quality, reducing its capacity to produce crops. In the scenario provided, the declining com yield over the years indicates soil degradation, which can result from processes like erosion, compaction, and salinization.

Salinization, the accumulation of salts in the soil, can harm crop growth by affecting water uptake and nutrient availability. Therefore, addressing soil degradation issues like salinization through actions such as improved irrigation practices can help improve agricultural productivity.


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