在五種脫水乾燥方法中以冷陳方法所需加工成本最貴，浮動層次之，直立托盤式更次之。隧道式者最便宜，但配合品質因素綜合觀之，高級脫水品應以冷陳乾燥法為之，中級品以浮動式為宜，經濟產品則以隧道式加工之。
An advanced discussion of the first report of "Dehydration of Green Asparagus" was presented. The results of the moisture absorption isotherm study on the unblanched tunnel dried asparagus were also presented in this article.
