Dr. Toshiki Asao is a specialist in hydroponic crop production and Professor at Department of Agriculture, Faculty of Life and Environmental Science, Shimane University, Japan. Dr. Asao is a native of Kyoto, Japan and received Ph.D. majoring Agriculture from Kyoto University. His main research focus is the development of hydroponic techniques for vegetables and ornamentals in greenhouses and also the development of specialty vegetables through hydroponics under controlled environment agriculture providing human health benefits beyond basic nutrition. His other research project is the studying autotoxicity in vegetables and ornamentals in hydroponics and developing possible control measures. He has published a number of scientific articles, book chapters, and edited books.