As a lake that has been named the largest lake in Southeast Asia, Lake Toba has a variety of growing economic activities. One of them is tilapia cultivation with floating net cages (KJA). Based on data from the GPMT (Association of Animal Feed Companies) North Sumatra 2020, the KJA business in the Lake Toba area … Continue reading Professor of IPB University Denies the Use of KJA as the Highest Source of Pollution in Lake Toba