Preparation and characterization of Indigo Naturalis-Alumen composite particles based on particle design principle Effects of phosphate and organic matter applications on arsenic uptake by and translocation in Isatis indigotica Study on biology effects of microwave pretreatment seeds of Isotis indigotica A Study on the Genus Indigofera Linn. from China Evaluation on Antiendotoxic Action and Antiviral Action in vitro of Tetraploid Isatis indigotica Comparison of the Antiendotoxic Activities of Transplanted Indigoblue Woad (Isatis indigotica) with the Originally Cultivated Breeding