Step 1: Understanding the Question:
This question tests knowledge of soil and water conservation practices.
Step 2: Detailed Explanation:
Specific agricultural practices used to slow down water run-off include:
- Contour tillage (A): Ploughing along the contour lines.
- Strip Cropping (B): Growing crops in strips along the contour.
- Terracing (C): Creating terraces on slopes to reduce run-off.
All three practices help to slow down run-off and conserve soil moisture.
Thus, all A, B, and C are correct.
Step 3: Final Answer:
Thus, the correct answer is All A, B and C, which corresponds to option (C).
[0.5cm]