Research progress and prospects of spinach (Spinacia oleracea L.) hydroponic technology

This paper reviewed the research progress on leafy vegetable hydroponics about nutrient solution,environmental factors,cultivation measures and hydroponic domestication.The researches of spinach nutrient solution are mainly focused on the screening of nutrient solution formula and adjustment of main nutrient elements.Light,dissolved oxygen concentration and liquid temperature are main environmental factors influencing spinach growth under hydroponic conditions.Few researches have been conducted on the hydroponic adaptability of spinach.At last,the future research work on spinach hydroponics was also discussed.