1. Impact of inorganic fertilizer to soil biological activity in an oil palm plantation. (October 2019) Authors: Wahyuningsih, Resti; Marchand, Leo; Pujianto, ; Suhardi, ; Caliman, JP Journal: IOP conference series Issue: Volume 336(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗