Composting Process and Stability

What is the ideal Carbon to Nitrogen (C:N) ratio for an active compost pile?

40:1

50:1

25:1 to 30:1 (correct)

20:1

What is an indicator of Compost Maturity?

Carbon dioxide evolution

Seed germination tests (correct)

Oxygen consumption

Self-heating

What is the preferred temperature range for Vermicomposting?

15-35 °C

5-15 °C

25-40 °C

5-25 °C (correct)

What is a benefit of maintaining optimal moisture levels in composting?

All of the above Signup and view all the answers

What is a characteristic of microorganisms in composting?

They have a high metabolic rate Signup and view all the answers

What is a common issue associated with poor moisture management in composting?

All of the above Signup and view all the answers

What is the primary purpose of vermicomposting?

To create a nutrient-rich fertilizer for plants Signup and view all the answers

What is the ideal moisture level for optimal microbial growth in vermicomposting?

Moderately moist, like a damp paper towel Signup and view all the answers

What is the primary mechanism by which microorganisms break down organic matter in vermicomposting?

Anaerobic respiration, producing CO2 and H2O Signup and view all the answers

What is the minimum germination rate required to indicate well-matured compost?

90% Signup and view all the answers

Which of the following materials is NOT suitable for vermicomposting?

Cat or dog droppings Signup and view all the answers

What is the primary benefit of adding vermicompost to soil?

Enriches soil with nutrients and microorganisms Signup and view all the answers

What is the primary benefit of compost in terms of soil properties?

It increases soil's water retention capacity Signup and view all the answers

What is the primary goal of the curing phase in the composting process?

To slow down microbial activity Signup and view all the answers

What is the final product of the composting process after 6 to 12 months of curing?

Biologically stable humic substances Signup and view all the answers

What is the primary indicator of the composting process?

Microbial activity Signup and view all the answers

What is the primary benefit of compost in terms of soil productivity?

It increases soil productivity Signup and view all the answers

What is the primary characteristic of humus, the organic fraction of soil?

It is biologically stable Signup and view all the answers