I. Post-planting management

Careful management after planting can greatly improve the survival rate of planting.

1, timely watering: once a week if the weather is fine within one month after planting.

2. Pay attention to drainage: drain water in time after rain to prevent stains and root rot.

3. Tree tray mulching: cover the tree tray with straw or spray new high-fat film to reduce evaporation and stabilize soil temperature.

Second, the management of soil, fertilizer and water.

1. Soil management: Soil is the foundation of fruit tree growth, and navel orange grows well in loam with deep soil layer and PH value of 5.5-6.5. One month after planting, shallow intertillage fertilization was carried out in the whole garden, and then intertillage fertilization was intercropped for 2-3 times.

2. Timely fertilization: The main purpose of the second year after planting is to promote the growth and development of young trees, extract strong branches and make them take shape quickly. Fertilization is mainly based on nitrogen fertilizer, with phosphorus and potassium fertilizer.

3. Reasonable irrigation: timely ditch drainage in spring and summer rainy season to prevent waterlogging, timely irrigation in autumn and winter drought to prevent drought and frost.

Third, shaping and pruning

When the height of the main pole is about 30 cm, select 3-4 main branches in different directions and remove the rest. Take methods such as bracing to form a natural happy tree, and expand the crown as soon as possible by removing zero preservation, removing early preservation, unifying branches, and cutting short long white. After pruning, stick an antiseptic film to promote wound healing.

Four, the main pests and diseases and their prevention and control

The main pest is red spider, and the main disease is canker. Prevention and control methods Spraying is aimed at the prevention and control of new drugs and new high-fat films.

Five, Qing Lengqing Garden

Spray water, cultivate soil, cover grass, cover with plastic film, smoke, and spray "universal tree protection" emulsion on the trunk to keep warm and prevent freezing, so as to protect trees from wintering safely. Secondly, cut off diseased branches, remove deciduous weeds, burn or bury them deeply, and then spray the whole garden with "general tree protection" to kill the virus and seal the garden.