Humic and fulvic acids in composts of combined agroindustrial solid wastes
2000
Sarno (Universitas Lampung, Bandar Lampung (Indonesia). Fakultas Pertanian)
The objective of this research was to determine the content of humic and fulvic acid in composts from various of organic matter wastes of agroindustries. The results showed that generally total C, total N and C/N ratio decreased until 12 weeks. The highest contents of humic and fulvic acids were observed in the M3 (onggok 35 percent, extracted cake 30 percent, cassava skin 15 percent, and cow manure 25 percent) and M4 (onggok 30 percent extracted cake 40 percent, cassava skin 15 percent and cow manure 15 percent)
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