CAC Crop & Soil Management

Question 1

Which soil component is primarily responsible for retaining moisture and nutrients?

Accepted Answer

Clay

Answer

Sand

Answer

Silt

Answer

Gravel

Question 2

What is the primary benefit of crop rotation in soil management?

Accepted Answer

Enhances soil fertility and reduces pests

Answer

Increases soil erosion

Answer

Depletes soil nutrients

Answer

Prevents water retention

Question 3

Which soil pH level is generally considered optimal for most crops?

Accepted Answer

6.0 - 7.0

Answer

4.5 - 5.5

Answer

8.0 - 9.0

Answer

7.5 - 8.5

Question 4

Which practice is used to prevent soil erosion in sloped agricultural land?

Accepted Answer

Contour plowing

Answer

Strip tilling

Answer

Mono-cropping

Answer

Broadcast seeding

Question 5

What is the primary purpose of cover cropping?

Accepted Answer

Reduce soil erosion and enhance soil quality

Answer

Increase pesticide use

Answer

Accelerate soil depletion

Answer

Reduce water absorption

Question 6

Which macronutrient is most responsible for plant growth and chlorophyll production?

Accepted Answer

Nitrogen

Answer

Potassium

Answer

Phosphorus

Answer

Calcium