Purtiwi N, Inonu I, Prayoga GI. PENGARUH KONSENTRASI PUPUK ORGANIK CAIR BULU AYAM TERHADAP STATUS HARA NITROGEN DAN PERTUMBUHAN TANAMAN PAKCOY (Brassica rapa L.) DENGAN HIDROPONIK SISTEM SUMBU: The Effect of Chicken Feather Organic Liquid Fertilizer Concentration on Nitrogen Nutrient Status and Growth, Of Pakcoy Plants (Brassica rapa L.) In Hydroponic Wick System. env [Internet]. 2023 Aug. 24 [cited 2026 Sep. 30];9(1):33-42. Available from: https://journal.ubb.ac.id/index.php/enviagro/article/view/4275