Soilless culture is a kind of cultivation method that is irrigated with nutrient solution instead of natural soil. It has many advantages such as high yield, early maturity, water saving and light disease, and can pro...

1, site selection and preparation: smooth terrain, convenient irrigation and drainage and formation deep, fertile, suitable soil structure, physicochemical properties, soil is suitable to sand. The new turn of land, a...

The Sclerotinia of leek mainly endangering leaves, leaf sheath and "false stem". The major pathogens to sclerotium with residues that overwinter in the soil, irrigation water and rainwater by sputtering spre...