<![CDATA[One of the issues developing in the Lake Toba region, Sumatera Utara is the pollution of the lake with water hyacinth, including around the village of Simangulampe in the Bakti Raja Sub-district, Humbang Hasundutan Regency. In addition to water hyacinth, there is also agricultural waste that can potentially be processed into compost. The purpose of the Community Service (PPM) activity was to educate and train the community in making compost from water hyacinth and agricultural waste. The activity methods included delivering educational material and training in the form of hands-on compost making activities and discussions in the form of question and answer sessions. The results of the education and training activities were an increase in the community's knowledge of compost making, especially from water hyacinth and agricultural waste. Additionally, participants gained experience in composting using water hyacinth and agricultural waste as the main materials. It is hoped that after the activity, the community will continue composting with the availability of supporting tools, namely a shredder, and that this will become one of the solutions to the problem of water hyacinth in Lake Toba.]]>
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