The effects of N, P, K concentration on the growth, yield and quality of radish (Raphanus sativus L.) were studied by means of soilless culture in this paper. The research includes two parts: hydroponical culture and substrate culture. The effects of four different concentration of N, P, K respectively on the growth and development of radish were researched through hydroponical culture experiment. The effects of combined N, P, K on the yield and quality of radish were investigated by substrate culture exper...