Which type of soil water moves downwards through the soil due to the force of gravity and is removed by agricultural drainage systems?
Cambridge IGCSE · Agriculture (0600)
Drainage and irrigation: Practice Questions
4 multiple-choice questions marked as you go, and 2 written questions with worked solutions. All on Drainage and irrigation.
Why does poor drainage often lead to reduced crop growth and the death of beneficial soil organisms?
What is a primary reason for a farmer to install a drainage system in a field?
Which statement correctly describes a primary benefit of using a drip irrigation system compared to overhead sprinkler irrigation?
Explain why poor drainage in a field typically leads to a decrease in the rate of root respiration for most farm crops.
Write your answer out first, then check it against the worked solution.
Water management is critical for preventing crop failure in different climates.
(a) Describe how gravitational water moves through the soil and explain how the construction of ditches helps manage waterlogged fields. (2 points)
(b) Explain the effect of poor soil drainage on the respiration of plant roots. (2 points)
(c) Define the term leaching and state one negative effect it has on soil quality. (1 point)
Write your answer out first, then check it against the worked solution.
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