One of the best natural fertilizers and soil builders is available free. You make it yourself. Its compost!
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GORKHA: Four community forest user groups in Gorkha have begun producing organic fertiliser from leaf litter and other forest biomass that would otherwise go to waste. The initiative has been launched by the Ram Laxman Community Forest User Group and the Bagpani Community Forest User Group in Sahid Lakhan Rural Municipality-1, the Ludi Damgade Community []