Ichriani, Gusti Irya; Syekhfani; Nuraini, Yulia; Handayanto, Eko
(Journal of Ecological Engineering, 2018-11-01)
The efficiency of phosphorus uptake by plants in an Ultisol soil is very low because most of the soil phosphorus is precipitated by Al and Fe. Oil palm empty fruit bunches can be used as basic materials of biochar and ...