biochar,

The rice husks are collected from farms and then processed into biochar, a charcoal-like substance that’s made by burning organic material from agricultural and forestry wastes
 

| Francis Mureithi | Nation Media Group

How three youth started a fertiliser company with Sh50,000 seed capital

When three graduates pooled their resources to venture into production of organic fertiliser, the main aim of their business idea was to meet a social need, to provide a local solution to a local need.

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