Management of winter jujube seedling water. Although jujube trees are resistant to inferiority, rational fertilization and watering are important measures to enhance tree growth and achieve high yield and stability. Applying the base fertilizer before transplanting, according to the strength of the tree after transplanting, the main application of nitrogen fertilizer, combined with phosphorus and potassium fertilizer, topdressing should be mastered in the four stages of germination, flowering, young fruit and fruit yielding. The fat is better. Winter jujube requires a large amount of water in the early stage of growth, and the soil of the seedlings remains moist for a long time, especially during the flowering period, and the fruit can not be dehydrated during the growing season. Plastic trimming. The winter jujube is pruned before the germination, and it is suitable from late February to late March. In summer, only some new shoots are trimmed, from late May to late August. Winter jujube seedling shaping: one is natural happy shape, leaving 3 to 4 main branches per tree, leaving 3 to 4 side branches for each main branch, naturally growing around; another is the trunk shape. The main branches of the whole tree are divided into 3 to 4 layers, and the center is higher than the backbone branches. The autumn is carried out before the leaves are frozen, and the spring is planted before germination after thawing. When planting, firstly soak the seedlings in clear water for 10 hours, then plant them, the fertilizer should be thin, and the thin ground should be dense. The row spacing of the plant is generally 2m × 3m, and about 100 plants can be planted in 1 mu. The winter jujube seedlings have strong adaptability, and almost all of them have the distribution of jujube. Whether it is acid soil, alkaline soil, sandy soil or cohesive soil, it can be planted. It is better to use fertile sandy loam soil and avoid planting severe sag. Dongzao dug 1 square meter during transplanting, apply enough base fertilizer, and work hard after planting. Known as "living vitamin pills", Zhanhua Dongzao has excellent taste, sweet and crisp, and contains 18 kinds of essential amino acids and multivitamins. It has become a pillar industry of Zhanhua County and a reliable support for farmers to increase their income. According to Qi Tao, secretary of the county party committee, Zhanhua County received 10 billion yuan in income from winter dates. This year, Binzhou has a lot of rain, which is suitable for the growth of winter jujube. More than 500,000 mu of winter jujube will enter maturity.