1. Labile carbon fraction, humic acid, and fulvic acid on organic and conventional farming of rice field in Imogiri and Berbah. (December 2018) Authors: Sijabat, L M T; Nurudin, M; Notohadisuwarno, S; Utami, S N H Journal: IOP conference series Issue: Volume 215(2019) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗