49.3.1. Improvement of Drainage Systems

Try these first

1. 1.

   What is surface drainage?

   Hint

   Think about how rainwater is managed.

2. 2.

   Name one type of subsurface drainage system.

   Hint

   Consider what pipes are used underground.

3. 3.

   What is the primary function of surface drainage?

   • Improve crop yield
   • Remove excess water
   • Increase soil fertility

   Hint

   Remember the purpose of drains.

4. 4.

   True or False: Subsurface drainage systems can help prevent root suffocation in crops.

   • True
   • False

   Hint

   Think about how roots breathe.

5. 5.

   As an engineer, you are tasked with designing a drainage system for a waterlogged agricultural field. What factors would you consider in your design, and how would you implement both surface and subsurface drainage?

   Hint

   Think about both immediate and long-term solutions.

6. 6.

   Critique an existing drainage system in a low-lying area that lacks adequate performance during heavy rains. What modifications would you recommend?

   Hint

   Consider what causes the current problems in draining.