BharatNotes Composting
noun (gerund / verbal noun); also the present participle of the verb "compost"Usage in a UPSC answer
Mandating decentralised composting of biodegradable waste at the household and ward level would not only divert a substantial fraction of municipal solid waste from overburdened landfills but also close the urban nutrient loop, advancing the circular-economy goals embedded in the Swachh Bharat Mission.
Synonyms
Antonyms
Word Family
composting (n/v pres.p), compost (n/v), composted (adj), composter (n), compostable (adj)
Root
Latin com- = together + ponere = to place → componere = to put together → compositus; via Old Northern French compost
Etymology
From Middle English compost, from Old Northern French compost ("mixture for fertilising land"), from Latin compositus ("put together"), from componere ("to put together"); the practice dates to antiquity, with the English term attested from the 15th century.
Memory Hook
"Com-post" = things "placed together" (Latin com- + ponere) in a heap to rot — like a "compound" of kitchen and garden waste that becomes a "post" of rich soil for the next planting.
How This Word Works in UPSC Writing
The controlled aerobic decomposition of organic matter by microorganisms into a stable, humus-like soil amendment. Its leverage comes from composition: biodegradable matter is the largest fraction of Indian municipal solid waste, so diverting it is simultaneously the single biggest reduction in landfill volume, in leachate generated and in the methane that anaerobic decomposition inside dumps releases. It also closes the nutrient loop, returning organic carbon to soils depleted of it, which links waste management to soil health and to reduced dependence on chemical fertiliser. Decentralised composting at household and ward level avoids both transport cost and the contamination that mixed collection introduces, which is why source segregation is its precondition rather than an optional refinement.
Don’t Confuse It With
Composting is aerobic, requires oxygen, generates heat and yields humus. Biomethanation, or anaerobic digestion, proceeds without oxygen and yields biogas along with a slurry, so the two are competing treatments for the same wet-waste stream rather than stages of one process. Vermicomposting uses earthworms and runs at lower temperatures, so it kills fewer pathogens. Incineration destroys waste and can recover energy but not nutrients, and landfilling recovers neither.
Hindi Meaning
कंपोस्टिंग or खाद बनाना (khād banānā); कम्पोस्ट खाद for the product.
Common Questions
- What is composting?
- The controlled aerobic decomposition of organic waste by microorganisms into a nutrient-rich humus used to improve soil.
- How is composting different from biomethanation?
- Composting is aerobic and yields humus, while biomethanation is anaerobic and yields biogas along with a residual slurry, so they are alternative treatments for the same wet waste.
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