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Biodiversity, Conservation and Environmental Issues — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity, Conservation and Environmental Issues5 Marks
Question
Ecosan.
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Answer

  1. Ecological sanitation (Ecosan) is a sanitation provision that safely reuses excreta in agriculture as a manure.
  2. By Ecosan the need for chemical fertilizers is reduced. Ecosan toilet is a closed system without water and it is an alternative to leach pit toilets.
  3. They are useful in places of water scarcity or places with risk of ground water contamination.
  4. The principle of recovery and recycling of nutrients from excreta to create a valuable resource for agriculture is used here in Ecosan.
  5. The pit of an ecosan toilet fills up after some time, then it is closed and sealed for about 8-9 months.
  6. In this time the faeces gets completely composted to organic manure.
  7. It is a practical, efficient and cost-effective solution for human waste disposal.
  8. There are working Ecosan toilets in many areas of Gujarat, Kerala, Tamil Nadu and Sri Lanka.

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