Research Article

An Intelligent Hydroponic Device for Astragalus membranaceus Bge. var. mongolicus (Bge.) Hsiao

Figure 3

The contents of astragaloside IV in hydroponic device and yield plants. Data are shown as the (), and the double asterisk indicates the significance () according to one-way ANOVA tests. The double asterisk above the bar represents significant differences at the level of 0.01.