Ecosan Posters
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Posters describing the idea of ecological sanitation and the research work being done in this regard at the University of Agricultural Sciences, Bengaluru (Bangalore) and supported by Arghyam......

Posters describing the idea of ecological sanitation and the research work being done in this regard at the University of Agricultural Sciences, Bengaluru (Bangalore) and supported by Arghyam (www.arghyam.org), UNICEF and Stockholm Environment Institute

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  • 1. ECOLOGICAL SANITATION what it is all about current ecosan ChEmICAL wasteful cycle practices fErTILIzErS EAT we apply chemical GrOw fertilizer to grow crops. Then we defecate in the open or a pit toilet leading to pollution and results in Eat illness and harming the evironmment DEfECATE GrOw EAT Ecosan can be a better option to manage our excreta in a fErTILIzE DEfECATE productive way. SO wITh ECOLOGICAL SANITATION yOu CAN - reduce chemical fertilizers use with urine and manure to grow crops GrOuNDwATEr pOLLuTION SurfACE wATEr pOLLuTION - Save scarce freshwater - prevent water contamination - prevent diseases - prevent water borne diseases like diarrhea and dysentry ILLNESS DyING wATErbODIES Centre of Excellence in Ecosanitation • University of Agricultural Sciences, Bangalore • Supported by Arghyam, SEI, UNICEF
  • 2. ECOLOGICAL source separation of SANITATION SOLID and LIQuID waste Excreta generation per person per year urine: 500 litres faeces: 100-150kg urine water becomes manure after 8 -12 months The basic design feature of ecological sanitation is diversion of urine and faeces so that they are never mixed. - The urine can be diluted with water and used after storing for 2-4 weeks. - The faeces becomes manure after decomposing for 8-12 months URINE UREA NUTRIENTS NuTrIENT CONTENT N 3.5 gm/l SSP p 1.7 gm/l MoP K 1.6 gm/l Centre of Excellence in Ecosanitation • University of Agricultural Sciences, Bangalore • Supported by Arghyam, SEI, UNICEF
  • 3. ECOLOGICAL structure and use SANITATION of an ecosan toilet faecal matter is deposited in the storage compartment. A handful of ash, dried leaves, sawdust or grain husk is urine is collected in the middle sprayed over the basin. A pipe leads it to a faecal matter and container outside. closed with the lid. faeces excretion holes Ash wash area urination area washing is done in the wash In six months a family of four fills area.The water collects outside up the first chamber. The second through a pipe. chamber can be used giving time for the material in the first chamber to decompose safely into manure. urINE is diluted with water and used rEmEmbEr as fertilizer after storing for 2 - 4 - The water used for cleansing must weeks. not fall in the excreta chamber. - put ash or dry materials after ThE fAECAL mATTEr should be every defecation to prevent allowed to decompose in the storage bad smell and hasten the compartments for 8 -12 months after decomposition. which it is used as manure. - Don’t use both the excreta chambers at the same time. Ecosan toilets are very effective for - wATEr SCArCE ArEAS - hIGh wATEr TAbLE ArEAS - hArD rOCK ArEAS Centre of Excellence in Ecosanitation • University of Agricultural Sciences, Bangalore • Supported by Arghyam, SEI, UNICEF
  • 4. ECOLOGICAL experiments using SANITATION human urine 1. The urine was collected from 3. urine was collected in clean 2. Inside view; Ecosan toilet for an ecosan ladies’ toilet and a plastic cans, stored in large can ladies and gents’ urinal boys’ urinal in Doddballapur and diluted with same quantity of water. town, Bangalore 4. urine was applied uniformly 5. Seeds were sown 6. maize plants grown in land on prepared land in Nagasandra fertilized with human urine village using a rose can No fertilizer Chemical human fertilizer urine 7. The experiment compared the 8. The experiment was repeated for different crops, and results of application of chemical excellent results were seen in the crops fertilized with urine. fertilizer, human urine and no fertilizer. The research was conducted by Dr. G. Sridevi under supervision of prof C. A. Srinivasamurthy Centre of Excellence in Ecosanitation • University of Agricultural Sciences, Bangalore • Supported by Arghyam, SEI, UNICEF
  • 5. ECOLOGICAL compare SANITATION the crops! bANANA The banana bunch from plants grown with human urine has more number of bananas. mAIzE Early ripening of crops fertilized with human urine. CApSICum The number of fruits in the capsicum plant treated with human urine is three, whereas the same in case of plant treated with chemical fertilizer is only one. LEAfy VEGETAbLE The difference in the growth of leafy vegetables is quite visible; left pot: chemical fertilizer, right pot: human urine. frENCh bEAN See the growth and health of the french bean plants in the plot fertilized with human urine. rADISh The size of the vegetable is bigger in rECOmmENDED plants grown with human urine. DOSE Of urINE pEr ACrE Of LAND fOr DIffErENT CrOpS maize 23,000 litres ASh GOurD Visible differences between plants banana grown with farmyard manure and 61,000 litres human urine. french bean 8,400 litres Centre of Excellence in Ecosanitation • University of Agricultural Sciences, Bangalore • Supported by Arghyam, SEI, UNICEF