EREĞLİ DEMİR ÇELİK FABRİKALARI BACA FİLTRESİ ATIĞINDAKİ DEMİRDEN YERFISTIĞI (Arachis Hypogea L.) BİTKİSİNİN YARARLANMASINA HUMİK ASİTİN ETKİSİ
THE EFFECT OF HUMIC ACID ON THE UTILIZATION OF IRON FROM STACK FILTER WASTES OF EREGLI IRON AND STEEL SMELTING PLANT BY PENAUT (Arachis hypogea L.)