Soil & Water Management is one of 9 topics in the Grade 11 Agricultural Management Practices CAPS syllabus, covered across 3 lessons on Study Vault. Below are real practice questions from this topic with full worked answers.
Sample practice questions
Easy
1. What is a soil profile study?
Examining the vertical layers or horizons of soil from the surface down to the underlying parent material
Measuring only the surface colour of soil
A method of irrigating crops
A financial record of soil-related farm expenses
Answer: Examining the vertical layers or horizons of soil from the surface down to the underlying parent material — A soil profile study examines the vertical layers or horizons of soil from the surface down to the underlying parent material.
Easy
2. What does soil texture describe?
The proportion of sand, silt and clay in soil, which affects water-holding capacity and drainage
The colour of the soil surface
The financial value of farmland
The crop currently planted in a field
Answer: The proportion of sand, silt and clay in soil, which affects water-holding capacity and drainage — Soil texture describes the proportion of sand, silt and clay in soil, which determines its water-holding capacity and drainage.
Medium
3. Name the tillage approach that leaves more crop residue on the surface, protecting soil from erosion and helping retain moisture.
Answer: conservation tillage — Conservation tillage uses minimal soil disturbance methods, leaving more crop residue on the surface to protect against erosion and retain moisture.
