However, although the Taoyuan plateau is largely made up of this red clay, this soil type is acidic due to the presence of metals such as aluminum and manganese. Such acidity is harmful to crops.
不過，雖然這種紅土桃園台地到處都是，但紅土本身含有金屬元素，如鋁、錳，屬於酸性土壤，對作物成長也有害。