Research Article
Role of Humic Acid in Improving the Nutrient Content and Quality of Fermented Palm Oil Sludge
Department of Animal Feed and Nutrition, Faculty of Animal Science, Andalas University, 25163 Padang, Indonesia
Ade Djulardi
Department of Animal Feed and Nutrition, Faculty of Animal Science, Andalas University, 25163 Padang, Indonesia
Gita Ciptaan
Department of Animal Feed and Nutrition, Faculty of Animal Science, Andalas University, 25163 Padang, Indonesia