A large amount of water in a location is used up in watering the gardens and lawns. This causes water shortage in the location. Which of these is the best method to conserve water in the location?

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