1 Peel the fruit directly and remove the seeds.2. Seed treatment: After cleaning, peel off the skin of the seeds, and then put the seeds on the wet paper towel, and fold up, spray the right amount of water.3. Germination and planting: Put paper towels in a plastic bag and store them in a dark and humid environment. After 10 days, take out the seeds and bury them in nutrient soil in the direction of the bud downward.1. Fertilization: In the fruit expansion period in September, it is necessary to supplement appropriate amount of nitrogen, phosphorus, potassium, calcium, magnesium and other elements for citrus to improve fruit quality. 2, prevent falling flowers and fruit: timely topdressing for citrus, enhance the tree potential of citrus trees, in order to prevent falling flowers and fruit. 3. Propping fruit and preventing sun fruit: propping fruit in time to avoid bending fruit trees and breaking fruit trees, affecting tree potential. At the same time, leaf spraying fruit cover liquid can also be used to avoid sun fruit.4. Deal with weeds: clean up weeds and enhance the permeability of the orchard. 5, pest control: timely control of anthrax, canker disease, red spider, aphids, leaf moth and other pests.