In autumn, the temperature gradually decreases, the water evapotranspiration is low, and the water content in the soil is stable. Under the condition that the soil temperature is still high, the roots of the hardy-fed trees planted in the fall can resume growth, so the survival rate is high. First, the planting time can be planted before the leaves fall from the seedlings and before the soil freezes. Autumn should be planted as early as possible. Practice has proved that deciduous trees such as Populus tomentosa, Scorpion and Scutellaria baicalensis are planted in late mid-November and the survival rate can reach 100%. Evergreen coniferous trees such as Pinus tabulaeformis, Pinus armandii, and Cypress are equivalent to planting from mid-October to mid-November. It can reach 100%; low-yield shrubs such as Euonymus japonicus, Euonymus japonicus, Golden leaf privet, and Purple leafhopper are planted in late October and before freezing, and the survival rate can reach 98%. Second, the tree specifications Fall planting trees in the same specifications as the spring, usually 1.5 to 3.5 meters tall evergreen tree, deciduous tree diameter 4 to 20 cm. Third, planting According to the diameter of the diameter of the trees or the size of the earthworm, conventional planting holes are planted. The depth of planting is 3 to 5 cm deeper than in spring, and the soil must be compacted. Immediately after the trees were planted, the water was poured for the first time. After 3 days, the water was poured for the second time. After 10 days, the water was poured for the third time. After pouring water three times, you can seal the hole for the winter. The second year of spring pouring water twice after the routine management. IV. Matters needing attention (a) The water must be poured thoroughly. (b) All seedlings, especially small dwarf shrubs such as boxwood, must be planted in depth, and the tree holes should be compacted after sealing the pits to prevent cracks and water loss after the wind blows in the northwest during the winter. (3) Dwarf shrubs should be trimmed in place according to the design requirements in time after planting. Do not do cold-proof and must be short, branches should be long enough to avoid winter or spring cold-drawn. (D) cold-resistant varieties should be planted in autumn.

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