The autumn flame is the preferred descendant of the hybrid of safflower maple and silver maple. It not only inherits the excellent ornamental of American red maple, but also inherits the excellent adaptation of silver white maple salt, seawater resistance, drought tolerance and drought resistance. The range of performance is the most extensive among the greening species. The autumn flames are very resistant to disease, they are not plagued by car exhaust, and the seeds do not reduce the trouble of sanitation cleaning. It has strong anti-freeze and strong winds. Spring blossoms, flowers red. The crown is dense, the branches are upright and stretched, the leaves are orange-red to flaming, uniform and uniform, the color is stable and consistent, and the hanging color lasts. The tree is beautiful, especially suitable for urban roads and garden greening. The American Red Maple Autumn Flame is a new and excellent tree species that replaces the traditional greening varieties.
When the seedlings grow to a certain time, the planting density needs to be adjusted to maximize the photosynthesis of the seedlings. Generally, the dry diameter is less than 1 cm, the row spacing is 0.8 m × 1.0 m, and the row spacing of the dry diameter 1-2 cm is 1.2 m × 1.1 m. When transplanting, the seedlings should be trimmed first, and the middle roots, some long and thin roots and long branches should be removed. Dry seedlings of more than 2 cm in thickness, must carry mud balls when transplanting. Second, the main cultivation and management of soil: for sandy soil, soil with poor drought resistance should be cultivated with heavy viscous fine soil and moldy soil and fertilizer; for sticky soil, apply organic fertilizer, appropriate to add sandy soil Adjust the viscosity. For the depression of easy water accumulation, the drainage ditch should be opened to a depth of about 50 cm to keep the groundwater level below the root. Interplanting and weeding: Red maple seedlings are easily covered by weeds, so manual weeding is often required around the seedlings. Seedlings after 2 years of planting can be weeded by drugs such as glyphosate.
Fertilization: After the red maple is grafted, it needs to be fertilized in time to promote its rapid growth and early emergence. In March-April, the application of nitrogen fertilizer is the main one, in which the ratio of nitrogen, phosphorus and potassium is 6:1:3. It is necessary to apply thin fertilizer and apply it once every 7-10 days. From May to August, the mature pigs and cows are fertilized, and the grass is mainly cut, or chemical fertilizer is applied appropriately to increase the organic composition of the soil to adjust the softness of the soil and improve the ability to resist dryness and mites. Beginning in October, base fertilizers based on phosphorus and potassium, such as decomposed vegetable cakes, oil cakes, bean cakes or compound fertilizers, were applied around the roots or in the ring. The ratio of nitrogen, phosphorus and potassium in the base fertilizer was 2:3:5.
Pest control
(1) The underground pests have bite seedlings and stem bases such as cockroaches and cockroaches, which are easy to cause seedlings to die. You can use 1000 times of Loesben or 1000-1200 times of 50% phoxim emulsifiable concentrate.
(2) Invading branches and leaves pests such as chafers, moths, aphids and other common red maple leaves, resulting in poor growth of seedlings, such as: aphids, chafers can be sprayed with 10% imidacloprid powder 1200-1500 times; Pesticide control (according to the instructions for use).
(3) Mast pests such as Tianniu, Corydalis, etc. endanger red maple branches, causing red maple seedlings to die or even whole plants to die, can be used in the period of adult cattle: June to July with 4.5% beta-cypermethrin 1500-2000 times liquid spray canopy, spray once every half month or so, even spray 2 times; or inject the pesticides such as dichlorvos or lesben to the branches at the insect tract and seal with sticky soil.
Diseases include brown spot, rust, etc., and should be managed.
Precautions
(1) cultivating weeding: red maple seedlings are easily covered by weeds, so it is required to manually weed the seedlings around the seedlings. After 2 years of planting, the seedlings can be weeded by drugs such as gramless, but the liquid cannot touch the leaves. In order to prevent injury to the seedlings.
(2) Bamboo pole support: Since the growth of red maple ear buds is weak after germination, bamboo rods need to be inserted to help prevent wind demolition.
(3) Red Maple Transplantation: When transplanting, the seedlings should be trimmed first, the middle roots, some long and thin roots, and long branches, dry and thick 2 cm seedlings must be taken. Transplantation time can be from late autumn to early spring, but it is best from late February to early March. In April, when transplanting new leaves, it is necessary not only to bring soil balls, but also to remove leaves and fully supply water to improve transplant survival rate. .
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The temperature increase of surgeon`s head below 1℃. LED do not engender infrared ray and ultraviolet radiation, without the temperature
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The thickest part of lamp-chimney is not more than 10cm.
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