Efek Berbagai Sumber Nitrogen Pada Pengomposan Tandan Kosong Kelapa Sawit Ter…

Compost with high levels of humic compounds has some benefits for soil. Therefore the efforts to get oil palm empty fruit bunches (OPEFB) compost with high levels of humic compounds need to be done. This study aimed to determine the effect of various natural sources of Nitrogen on the humic compounds content in OPEFB compost. This research has been carried out at the research station in the Fac…