Silitonga, Listati, Edhi Turmudi, and Widodo Widodo. “Growth and Yield Response of Peanut (Arachis Hypogaea L.) to Cow Manure Dosage and Phosphorus Fertilizer on Ultisol”. Akta Agrosia 21, no. 1 (July 5, 2018): 11–18. Accessed April 4, 2025. https://ejournal.unib.ac.id/Agrosia/article/view/4655.