Biodegradable wastes like vegetable peelings from kitchen are usually processed by composting techniques. Which of the following option(s) regarding the processing of biodegradable wastes is/are correct?
- Vermi-composting is relatively faster than windrow composting, however vermicomposting is not frequently used on large commercial scale.
- The windrow height should be as short as possible as large windrow height may cause compaction due to the self-weight.
- The windrow height should be as large as possible as that will help to ensure appropriate temperature within the windrow.
- Earthworms facilitate the growth of microorganisms and break down complex organic molecules to simpler ones using enzymatic secretions.