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Compost in Agriculture

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Questions and Answers

What is one of the benefits of compost in agriculture?

Causing soil erosion

Improving soil structure (correct)

Increasing soil salinity

Reducing the need for pesticides

How does compost compare to farmyard manure in terms of impact on soil organic matter?

Farmyard manure has higher lignin content

Farmyard manure provides more phosphorus

Compost has lower resistance to breakdown

Compost showed similar impact but in half the time with less material (correct)

What nutrient can compost provide, potentially reducing the need for inorganic fertilizers?

Nitrogen and boron

Phosphorus and potassium (correct)

Calcium and magnesium

Sulfur and iron

Which type of compost is produced from food and garden waste composted in controlled conditions?

Green food compost Signup and view all the answers

How can compost potentially lower farm fuel bills?

By reducing the shear strength in the soil Signup and view all the answers

How does repeated compost applications over nine years impact the soil?

Reduced shear strength, improving workability and potentially lowering farm fuel bills Signup and view all the answers

What is the significance of compost's lignin content in terms of breakdown compared to farmyard manure?

Compost has higher resistance to breakdown due to its lignin content Signup and view all the answers

How can compost reduce the need for inorganic fertilizers in agriculture?

By providing valuable amounts of phosphorus and potassium, with nitrogen levels increasing over time Signup and view all the answers

What are the two main types of compost used in UK agriculture?

Green compost and green food compost Signup and view all the answers

How does compost from food and garden waste composted in controlled conditions contribute to soil quality?

It contributes to improved soil quality and crop yield potential Signup and view all the answers

Study Notes

Compost is a valuable source of organic matter that helps build well-structured soils, supporting healthy crop growth and reducing shear strength for easier cultivation.
Experiments in agriculture showed that repeated compost applications over nine years reduced shear strength in the soil, improving workability and potentially lowering farm fuel bills.
Compost showed the same impact on soil organic matter levels as farmyard manure in half the time and with less material, indicating higher resistance to breakdown due to its lignin content.
Compost can reduce the need for inorganic fertilizers by providing valuable amounts of phosphorus and potassium, with nitrogen levels increasing over time through repeated applications.
Two main types of compost used in UK agriculture are green compost (from landscaping and garden waste) and green food compost (from food and garden waste composted in controlled conditions), both contributing to improved soil quality and crop yield potential.

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Description

Explore the benefits of using compost in agriculture, including how it can improve soil structure, reduce shear strength, and provide essential nutrients for crops. Learn about the different types of compost used in UK agriculture and their impact on soil quality and crop yield potential.