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Spring is the best season for the vast majority of flowers and trees for cutting propagation. There are two types of flowers suitable for spring cutting propagation: one is the shrubs and evergreen trees with long rooting time, which are not easy to take root, such as cedar, Cypress, true cypress, cypress, paved cypress, etc.; The classes are rooted flowers, such as pomegranate, rose, spring, crape myrtle, cypress, jasmine, ginkgo, weeping willow and so on. Ornamental flowers and spring plugs are usually from early March to mid-April, too early or too late are not conducive to survival. The specific methods are as follows: 1. Site preparation: In the early spring, the deep-frozen nursery will be used as a bed. Generally, the growth rate is 10 meters wide, 1.2 meters wide, and 0.3 meters high. Both sides should have good drainage and footpath ditches for irrigation and drainage. The bed surface should be slightly higher in the middle and lower around to facilitate the filtration of water in the bed. 2. Shearing treatment: Select the windless weather, cut the upper part of the crown, no pests and diseases, and grow robust annual branches. It is best for the big tree to cut out the germination branches at the base of the trunk and cut it to a section of 12-15 cm. . Generally, each cutting should have 2 to 3 plump shoots. Conifers preferably have apical buds, such as metasequoia, cedar, etc.; the lower incision of the cuttings should be 0.2-0.5 cm below the nodes or petioles. Evergreen broad-leaved shrubs, with only 2 to 4 upper leaves reserved for each cutting; conifers should be trimmed from the lower cuttings to retain only the upper needles or scales; cuttings from deciduous trees should be cut at the lower points Aphid, in order to facilitate the high growth of earthworms after inserting earth and cuttings. Cut 100 bundles of cuts each time. Cut the lower cuts with 500ppm ABT rooting powder or naphthalene acetate solution. Soak for 10 seconds. Allow the alcohol in the liquid to evaporate before cutting. 3. Insert the bed: Insert the treated cutting into the bed in time. Broad-leaved tree cuttings have a spacing of 815 cm, coniferous cuttings have a spacing of 510 cm, and cuttings have a depth of 1/3 to 1/2 of the spike length. If the cuttings are too thin, a hole can be stamped with a bamboo pick. Then, insert the cuttings into the holes so that it can prevent the formation of the cut under the injury, which is very beneficial to the survival. After the cutting is completed, the cutting bed is sprayed with water through a fine hole watering can. Make sure that the cutting base is in close contact with the soil so that the incision absorbs the moisture in the soil.