41.7.2. Tensiometers

Try these first

1. 1.

   What does a tensiometer measure?

   Hint

   Think about what soil moisture relates to.

2. 2.

   Is a tensiometer suitable for all soil types?

   Hint

   Consider the types of soils we've discussed.

3. 3.

   What does a tensiometer measure?

   • Soil moisture content
   • Matric suction
   • Water retention

   Hint

   Think about what the instrument is specifically designed to measure.

4. 4.

   True or False: Tensiometers are best used for clayey soils.

   • True
   • False

   Hint

   Consider the drainage characteristics of soil types.

5. 5.

   You are responsible for managing an irrigation system using tensiometers in an orchard. Describe the steps you'd take to optimize water usage throughout the growing season.

   Hint

   Consider the growth stages of the plants and their water needs.

6. 6.

   Evaluate a scenario where you are using a tensiometer in a sandy soil versus clay soil. Discuss the differences in the readings you might expect and their implications for water management.

   Hint

   Reflect on how different soil textures affect water retention and movement.