Magnolia is white, jade, blue and green. It is a famous early spring flower in China. It is an excellent tree species for greening, but planting green space in cold regions requires corresponding technical measures to maintain long-term survival. The Huaxia Community of Benxi City, Liaoning Province, planted 100 magnolias in the spring of 1997. The survival rate has reached more than 95%, and the growth rate is good. After more than 10 years of cultivation and conservation, Benxi Magnolia has become a successful Magnolia landscape belt planted in a parkland in a cold area.
Before preparing the cultivated soil for planting magnolia, the culture soil should be prepared before use. Preparation of soil culture method: Take 5 parts of humus soil, 5 parts of garden soil, and 2 parts of sand, and mix thoroughly to ensure that Magnolia has good culture medium.
Lifting seedlings with soil balls is one of the key technical measures for the survival of cultivation of magnolia. The diameter of the earth ball is about 8 to 10 times the breast diameter of magnolia, and it is packed with straw ropes or grass belts to ensure that the earth ball does not disperse or crack when Magnolia is being transported.
When planting and planting Magnolia digging pits, the pit diameter is greater than 40 cm to 60 cm in diameter of the soil ball, and the pit depth is slightly higher than the soil ball height of 10 cm to 20 cm. The pit should be standard and avoid pot bottom pits. Put the magnolia ball into the pit, try to remove the grass band or straw rope, fill the soil with a rake or a wooden stick to pound the soil. Be careful not to damage the soil ball and fill the soil with the root of the seedling.
After watering the magnolia, it is built on the outer edge of the pit, with a height of 15 cm to 20 cm, and a bottom width of 20 cm to 30 cm. After the soil has been built, water is poured into the soil within 24 hours and the amount of water is better. Later, depending on the weather condition, if the weather is relatively dry, the second time is poured from the 3rd to the 4th; the third time is poured on the 7th to the 10th. After the third round of pouring, wait until the water seeps to seal the pit. If there is a long drought later, water it properly.
Before and after pruning and planting should be trimmed, combined with beautification of the tree shape, in order to cut leggy branches, weak branches, over dense branches, drooping branches, injured broken branches, pests and branches, dead branches mainly. Short cuts and thinning can be used for pruning. It is necessary to make Magnolia airy and transparent, beautiful in appearance, and conducive to growth.
After fertilization, from May to June, topdressing can be applied once to facilitate the formation of flower buds, and either rotting liquid fertilizer or compound fertilizer can be used. In the fall, appropriate application of phosphorus and potassium fertilizers to magnolia, such as potassium dihydrogen phosphate, potassium nitrate, and arbor, etc., can be applied by ring application method to fully lignify the branches of magnolia to improve the disease resistance and cold resistance of magnolia. . After the soil is thawed, the organic fertilizer that is decomposed of Magnolia each year is used as a base fertilizer, and methods such as furrow application, acupoint application, and ring application may be adopted according to circumstances.
Recommended reading: Magnolia: http://Products/
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