Compost Uses

Description: Test your knowledge about the various uses of compost in gardening and agriculture.
Number of Questions: 15
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Tags: compost gardening agriculture soil health
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What is the primary benefit of using compost in gardening and agriculture?

  1. Enhances soil fertility

  2. Controls pests and diseases

  3. Improves water retention

  4. All of the above


Correct Option: D
Explanation:

Compost provides numerous benefits, including enhancing soil fertility, controlling pests and diseases, and improving water retention.

Which of the following is NOT a common ingredient used in making compost?

  1. Food scraps

  2. Yard waste

  3. Paper products

  4. Plastic bags


Correct Option: D
Explanation:

Plastic bags are not biodegradable and can contaminate the compost.

What is the ideal carbon-to-nitrogen ratio for composting?

  1. 10:1

  2. 20:1

  3. 30:1

  4. 40:1


Correct Option: C
Explanation:

A carbon-to-nitrogen ratio of 30:1 is generally considered ideal for composting.

How long does it typically take for compost to mature?

  1. 2-3 weeks

  2. 1-2 months

  3. 3-6 months

  4. 6-12 months


Correct Option: C
Explanation:

Compost typically takes 3-6 months to mature, depending on factors such as temperature and moisture levels.

What is the primary role of compost in soil health?

  1. Provides nutrients for plants

  2. Improves soil structure

  3. Enhances water infiltration

  4. All of the above


Correct Option: D
Explanation:

Compost provides nutrients for plants, improves soil structure, and enhances water infiltration.

Which of the following is NOT a benefit of using compost in agriculture?

  1. Reduces the need for chemical fertilizers

  2. Improves crop yields

  3. Controls soil erosion

  4. Increases soil salinity


Correct Option: D
Explanation:

Compost does not increase soil salinity, but rather helps to balance soil pH and improve soil health.

What is the most common method of applying compost to gardens and fields?

  1. Top-dressing

  2. Side-dressing

  3. In-furrow application

  4. All of the above


Correct Option: D
Explanation:

Compost can be applied to gardens and fields using various methods, including top-dressing, side-dressing, and in-furrow application.

How does compost help in reducing the need for chemical fertilizers?

  1. Provides essential nutrients for plant growth

  2. Enhances soil microbial activity

  3. Improves soil water-holding capacity

  4. All of the above


Correct Option: D
Explanation:

Compost provides essential nutrients, enhances soil microbial activity, and improves soil water-holding capacity, reducing the need for chemical fertilizers.

Which of the following is NOT a suitable material for composting?

  1. Meat scraps

  2. Dairy products

  3. Diseased plant material

  4. Coffee grounds


Correct Option: A
Explanation:

Meat scraps can attract pests and diseases and are not suitable for composting.

What is the recommended compost application rate for gardens and fields?

  1. 1-2 inches

  2. 2-4 inches

  3. 4-6 inches

  4. 6-8 inches


Correct Option: B
Explanation:

A compost application rate of 2-4 inches is generally recommended for gardens and fields.

How does compost help in controlling soil erosion?

  1. Improves soil structure

  2. Increases soil organic matter

  3. Enhances water infiltration

  4. All of the above


Correct Option: D
Explanation:

Compost improves soil structure, increases soil organic matter, and enhances water infiltration, all of which help in controlling soil erosion.

What is the ideal moisture level for composting?

  1. 40-50%

  2. 50-60%

  3. 60-70%

  4. 70-80%


Correct Option: B
Explanation:

A moisture level of 50-60% is ideal for composting, as it allows for proper decomposition while preventing the compost from becoming too wet or too dry.

How often should compost be turned during the composting process?

  1. Once a week

  2. Twice a week

  3. Every other day

  4. Daily


Correct Option: A
Explanation:

Turning compost once a week helps to aerate the pile and promote decomposition.

Which of the following is NOT a common use of compost in agriculture?

  1. Improving soil fertility

  2. Controlling pests and diseases

  3. Increasing crop yields

  4. Generating biogas


Correct Option: D
Explanation:

Compost is not typically used for generating biogas, which is a process that involves the anaerobic digestion of organic matter.

What is the primary purpose of using compost in potting mixes?

  1. Provides nutrients for plants

  2. Improves drainage and aeration

  3. Enhances water retention

  4. All of the above


Correct Option: D
Explanation:

Compost provides nutrients for plants, improves drainage and aeration, and enhances water retention in potting mixes.

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