Define water-efficient irrigation techniques in the context of dryland farming and describe the differences between rain-fed and supplemental irrigation in dryland agriculture, highlighting their advantages and limitations ?

• 1. Compare the use of traditional flood irrigation with modern drip and sprinkler systems in terms of water conservation and crop yields.
• 2. Discuss the importance of soil moisture monitoring and precision agriculture for optimizing water usage in dryland farming.
• 3. Conclude on the significance of improving irrigation efficiency for sustainable dryland agriculture and its potential to mitigate the effects of climate change.