49.3.1.b. Subsurface Drainage

Try these first

1. 1.

   What is subsurface drainage?

   Hint

   Think about how we keep fields dry.

2. 2.

   Name one type of subsurface drainage.

   Hint

   It starts with 'T'.

3. 3.

   What is the primary function of subsurface drainage?

   • To increase soil saturation
   • To lower the water table
   • To promote flooding

   Hint

   Think about why drainage systems are installed.

4. 4.

   True or False: Tile drains can help reduce water logging.

   • True
   • False

   Hint

   Consider the role of drainage systems.

5. 5.

   A farmer reports that despite installing tile drains, water logging persists. Analyze possible reasons and suggest improvements to the drainage system.

   Hint

   Think about effective water movement.

6. 6.

   Discuss the environmental impact of improper subsurface drainage in agricultural landscapes.

   Hint

   Evaluate the relationship between drainage and soil health.