Red ginger (Zingiber officinale var. Jahira 2) is a spice plant known for its health and culinary benefits. The increasing need for red ginger for its high content requires good and correct fertilization treatment. This research uses Siam weed leaf LOF which is a fertilizing material for red ginger plants. LOF (Liquid organic fertilizer) from Siam weed leaves can improve soil quality, and help …