Microgreen system planting no need to spray peaticides,only need clean water,so microgreen products no public hazard.Usually,the growth of herbage can reach a height of 20cm in 6-7days ,and fresh herbage can be produced 10-100kg per day.The microgreen system is applicable but not limited to the early germination of bean sprouts such as soybeans, black beans ,peas and seeds of all kinds of small leaf vegetables such as oil sunflower, water cabbage, coriander, and rapeseed.