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What is the cultivation technique of vertical elm?
Cultivation techniques of vertical elm

(1) breeding method

Grafting propagation. Elm is used as a rootstock, and its branches have a certain height, usually about 2 meters.

Elms are grafted at the base of branches. Cutting in spring or budding in autumn can be used.

(2) Cultivation management

Apply a proper amount of decomposed organic fertilizer to the planting hole, mix the pit soil and fertilizer evenly, and then transplant the seedlings for field planting.

Plant 1 plant in each hole, stabilize the soil, water and cultivate, and strengthen management. In summer, quick-acting liquid fertilizer should be applied topdressing 1 ~ 2 times.

0 ~ 3 years after planting, attention should be paid to watering, soil cultivation, support, fertilization, weeding and drainage. The young stems of rootstocks have many branches in the first few years.

Wipe the buds and remove the branches at any time. It is advisable to prune the hanging branches every year to promote the growth of new shoots, and leave the lateral buds outward when pruning short nodes, so that new shoots can be easily hung around.

Keep the crown beautiful.

(3) Pest control

Control method of golden flower worm: 800 ~ 1000 times of 80% dichlorvos can be sprayed to kill it.