Improving Post-Nickel Mining Soil Quality Using Biochar, Humic Acid, and Mulch Derived from Oil Palm Empty Fruit Bunches Improving Post-Nickel Mining Soil Quality Using Biochar, Humic Acid, and Mulch Derived from Oil Palm Empty Fruit Bunches The physics and chemistry…
This study aimed to establish land suitability classes in South Sulawesi for cocoa plant development, determine the productivity potential of South Sulawesi cocoa, and determine efforts to optimize cocoa productivity in South Sulawesi. The study was conducted in three cocoa…
Reclamation of post-nickel mining soil requires a long process and renewable innovations to improve soil properties. One of the alternative technologies for post-mining soil reclamation is utilizing oil palm empty fruit bunches (OEFB) as biochar and applying calcite (CaCO3). The…