1.2. Water for Agriculture

Try these first

1. 1.

   What is the primary use of water in agriculture?

   Hint

   Consider what crops need the most.

2. 2.

   Name one environmental concern related to overusing water in agriculture.

   Hint

   Think about the effects on nearby ecosystems.

3. 3.

   Which sector consumes the largest amount of freshwater withdrawals?

   • Energy
   • Agriculture
   • Industry

   Hint

   Think about where the majority of water goes.

4. 4.

   True or False: Quality of irrigation water does not affect crop yield.

   • True
   • False

   Hint

   Consider how plants react to different conditions.

5. 5.

   A farmer uses 800 cm of water to irrigate a 400-hectare field. What is the duty of his irrigation method, and how could it be improved?

   Hint

   Consider ways to lessen water use while maintaining crop yield.

6. 6.

   Evaluate the impact of using saline water for irrigation on crop production over time.

   Hint

   Think about how salt affects soil and plant health.