Use of toilet manure in agriculture was extensively practiced in China, Japan, Korea and Singapore. In Bangalore, Acharya and his team has suggested the use of night soil in compost production. However, the introduction of toilets and sewage systems has drastically reduced the use of this valuable nutrient source. In rural India, recent propaganda of popularizing the toilet construction has further reduced the recycling possibilities.
Varanashi Research Foundation has developed models for use of toilet manure in organic farming with modifications in the septic tank and subsequent utilization of the digested material while no modification has been made in the existing toilet bowl. The methods and materials along with their cost estimation are briefly described in the article.
The results and discussions suggest that -
The models developed and demonstrated at Varanashi Research Foundation for utilization of toilet manure are user friendly. For small growers it would be a valuable organic nutrient source. There is no fear of pathological contamination when used in root region, avoiding the contact with the edible part.
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