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Shalisha Mumtaz
AGRICULTURE
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Soil science
Is soil pH more likely to be acidic or alkaline in regions with high rainfall?
A. Acidic.
B. Alkaline.
C. Neutral.
D. None of these.
Shalisha Mumtaz
AGRICULTURE
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Soil science
How to improve the water-holding capacity of sandy soils?
A. Adding lime.
B. Incorporating organic matter.
C. Increasing irrigation frequency.
D. Applying nitrogen fertilizer.
Shalisha Mumtaz
AGRICULTURE
-
Soil science
Where in the soil profile would you typically find the highest concentration of organic matter?
A. A horizon (topsoil).
B. R horizon (bedrock).
C. B horizon (subsoil).
D. C horizon (parent material).
Shalisha Mumtaz
AGRICULTURE
-
Soil science
When is soil compaction most likely to occur?
A. During periods of heavy rainfall.
B. When soil is dry and crumbly.
C. Under repeated heavy machinery traffic.
D. After applying organic mulch.
Shalisha Mumtaz
AGRICULTURE
-
Soil science
What soil property is most directly affected by the cation exchange capacity (CEC)?
A. Soil texture.
B. Soil structure.
C. Nutrient retention.
D. Soil temperature.
AGRICULTURE
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