Improvement of iron content, total phenolic, and antioxidant activity of green spinach (Amaranthus tricolor L.) with maggot fertilizer. J. Agron. Indonesia (Indonesian J. Agron.) [Internet]. 2024 Oct. 28 [cited 2025 Dec. 29];52(2):264-7. Available from: https://journal.ipb.ac.id/jurnalagronomi/article/view/50063