Recycling of rice straw (Oryza sativa) and cow dung as compost with fungal activator (Rhizopus oryzae) and analysis of nutrient content by atomic absorption spectrophotometry (AAS). TOFEDU [Internet]. 2025 May 30 [cited 2026 Oct. 9];4(5):1300-7. Available from: https://journal.tofedu.or.id/index.php/journal/article/view/561