Fertiliser after use
Need for fertilisersFertiliser
Expected nutrients from one person
When all pathogens have been inactivated, two to four weeks after use, the treated faeces constitute a high value fertilizer with a considerable market value. The fertilizer will mainly be a nitrogen fertilizer due to the added urea for sanitation. Other nutrients are also available for the plants and thereby improve the soil fertility. Additionally, the organic matter in the faeces will improve the soil’s structure, buffering capacity, and water holding capacity which, in the long term, will improve the potential harvest from the fields.
Since fertilizers are an expensive and scarce commodity in developing countries, it is possible for simple economic systems to develop informally through the collection and distribution of used Peepoos. Consequently, the used bags represent a local resource instead of a contaminant.
