Soil Capability Classifications Quiz

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Questions and Answers

What is the class of soils that have few or no limitations or hazards and may be used safely for cultivated crops, pasture, range, woodland, or wildlife?

Class I (correct)
Class III
Class II
Class IV

What is the class of soils that have few limitations or hazards, requiring simple conservation practices?

Class III
Class II (correct)
Class IV
Class I

What is the class of soils that have more limitations and hazards than Class II and require more complex conservation practices?

Class III (correct)
Class V
Class IV
Class II

What is the class of soils with greater limitations and hazards than the previous class, needing more complex measures for cultivation?

Class IV (C) Signup and view all the answers

Which class of soils have little or no erosion hazard but other limitations preventing normal tillage for cultivated crops?

Class V (B) Signup and view all the answers

What class is characterized by severe limitations that generally unsuit them for cultivation, mainly used for pasture or wildlife?

Class VI (A) Signup and view all the answers

What class of soils have very severe limitations rendering them unsuited for cultivation, but suitable for grazing and woodland?

Class VII (B) Signup and view all the answers

What class contains soils and land forms with limitations preventing their use for cultivated crops, pasture, or woodland?

Class VIII (B) Signup and view all the answers

What does subclass 'w' stand for?

wetness Signup and view all the answers

What does subclass 's' stand for?

soil Signup and view all the answers

What does subclass 'c' stand for?

climate Signup and view all the answers

What is a practical grouping of soils?

capability classification Signup and view all the answers

What shows the principal kinds of conservation involved?

subclasses Signup and view all the answers

What contains soils that are nearly alike in plant growth and management needs?

capability unit Signup and view all the answers

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Study Notes

Land Capability Classifications

Class I soils:
- Few or no limitations/hazards.
- Suitable for cultivated crops, pasture, range, woodland, or wildlife.
Class II soils:
- Few limitations; simple conservation practices required.
- Suitable for cultivated crops, pasture, range, woodland, or wildlife.
Class III soils:
- More limitations and hazards than Class II.
- Require complex conservation practices for cultivation.
- Also suitable for cultivated crops, pasture, range, woodland, or wildlife.
Class IV soils:
- Greater limitations than Class III, necessitating more complex conservation measures.
- Suitable for cultivated crops, pasture, range, woodland, or wildlife.
Class V soils:
- Little or no erosion hazard but other limitations hinder normal tillage.
- Best suited for pasture, range, woodland, or wildlife.
Class VI soils:
- Severe limitations making them generally unsuitable for cultivation.
- Primarily for pasture, woodland, or wildlife.
Class VII soils:
- Very severe limitations making them generally unsuitable for cultivation.
- Also suited for grazing, woodland, or wildlife.
Class VIII soils:
- Limitations prevent use for cultivated crops, pasture, range, or woodland.
- May be utilized for recreation, wildlife, or water supply.

Subclasses and Classifications

Subclass "w":
- Represents wetness.
Subclass "s":
- Stands for soil.
Subclass "c":
- Denotes climate.

Additional Concepts

Capability classification:
- A practical grouping of soils based on their use and management needs.
Subclasses:
- Indicate principal types of conservation practices involved.
Capability unit:
- Contains soils that are similar in plant growth and management requirements.

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