Kuo Kuan-fu, director of the Tungting work station of the Tea Improvement Station of the Council of Agriculture says that the soil around Mt. Tungting is categorized as red-yellow podzolic soil, of which there is a rich and deep layer. The most suitable place for growing oolong tea (more formally known as paochong tea) is about 700 meters above sea level or higher.
農委會茶葉改良場凍頂工作站主任郭寬福說，凍頂山是屬於土層深厚的黃紅壤，海拔七百多公尺，最適合種烏龍茶。