Geography, 23.09.2019 04:30, makenziehook8

Afarmer who has grown corn for the past five years notices in the sixth year that his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continues its decline. which of the following explanations most plausibly accounts for the reduction in corn yield?
a. soil degradation
b. desalinization
c. better irrigation
d. terracing

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Afarmer who has grown corn for the past five years notices in the sixth year that his harvest is sig...