Tea tree autumn and winter management "six-step song"

After a year of picking, the tea tree has been greatly damaged. If we can do a good job of tending in time in autumn and winter, it is very important to speed up the restoration of the tree, strengthen the tree potential and win the high quality and high yield of tea in the second year. Therefore, tea farmers should do a good job in six aspects.

One is autumn ploughing. After picking spring, summer and autumn tea, tea trees fully absorb underground nutrients, and the soil becomes more rigid. If fertilizing at this time, it is not conducive to tea tree absorption. Therefore, after closing the tea garden and stopping picking tea, we should carry out a shallow ploughing, loosen the soil, change the soil structure, promote fertilizer decomposition and the growth of tea roots, so as to lay the foundation for next year's spring tea. The autumn ploughing time is from October to November, when the root system is destroyed, it is easy to recover; the autumn ploughing depth is about 1 foot, the soil layer is thinner, and vice versa.

The second is pruning. For tea gardens put into production, mechanical pruning is recommended.

Third, applying basic fertilizer. Combined with the application of organic fertilizer in autumn ploughing, the amount of oil per mu is 300-500jin, or animal manure 1000-2000 jin, and the weeds in the tea garden are buried in the soil at the same time.

Fourth, clear the garden. Combine deep ploughing and pruning to do a good job in clearing the garden. Weeds and litter among tea rows are hidden places for pests and pathogens, so clearing the garden is helpful to reduce the base number of overwintering pests in the tea garden. The specific method is "three light", that is, picking off the pupae, eggs and sacs on the tea tree, removing light-diseased leaves and withered branches, and peeling off the lichen moss on the branches to reduce the base number of overwintering diseases and insects in the tea garden.

The fifth is to lay grass. Firewood and straw were used to cover the rows and roots of tea trees in order to improve soil temperature and maintain soil moisture. It can also be covered with rice straw, weeds or film, and the mulch can be removed in time after the beginning of spring, so as to achieve anti-freezing, promote early germination and strong sprouting of tea trees in spring, and achieve high quality and high yield of spring tea.

The sixth is to administer Fengyuan medicine. Tea overwintering diseases and pests mainly include moire leaf blight, wheel spot, small green leafhopper, scale, mites and so on. Stone-sulfur mixture is recommended for control. When spraying, the upper and lower, inside and outside of the tea bushes, the front and back of the leaves, the branches in the canopy and the weeds on the ground should be sprayed to improve the control effect, and the garden closure should be completed before the end of November.