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Magnolia, also known as white orchid, yellow-angle orchid, is an evergreen tree, aroma-like flowers. Its leaves are green, white and jade, aromatic and blue, long flowering, and when the environmental conditions are appropriate, it can bloom continuously throughout the year. However, it is afraid of drought, fear of embarrassment, cold, and fear of alkali. It is regarded as a more delicate flower in the north.
First, require fertile, loose, well-drained culture soil. It can be used for 5 parts of pine needle rot, 2 parts of coarse ash, 2 parts of coarse sand, and 1 part of cooked manure. Avoid use of fine sandy soil or viscous heavy soil with poor air permeability. Above the basin with ventilated good tile basin (suspending basin), avoid using glazed pots, porcelain basins, zisha pots, etc., it is best to use deeper cylindrical flower pots, pots underlay buckle empty flower pots, and brick overhead, In order to prevent poor drainage, the pelvic floor is laid with about 5 cm of slag and gravel.
Second, the water should be suitable. White orchid is a fleshy root, the basin soil is too wet, the leaves will fall off and fall off, and even the rot will cause death. If it is too dry, it will be dried and curled. It is a flower that is afraid of the grasshopper and afraid of drought. In the flowering period, when the petals are excessively exaggerated, it indicates that the water content is insufficient, and the water content is suitable; the surface of the potted soil is dry, and when the soil is hard and dry, it should be watered immediately. Watering requires that the water temperature and the soil temperature must be the same, and that cold water or hot water must not be poured suddenly. Watering must be done thoroughly. Regular pouring of half water will cause shallow roots. White orchids should not be watered in spring and autumn, and they must be poured every day in summer and they must be poured in the evening. The amount of watering should be reduced at the end of the fall and watered every 10 days in the winter. Rainy season should be moved to shelters.
Third, fear of alkali. White Orchid prefers acidic soils and requires a pH of 5.5-6.3. In the northern areas, white orchids are not well-cultivated because most of the water and soil there is alkaline, which causes the protoplasm of white orchid cells to dissolve, causing flower growth retardation and poor growth. Often watered with fermented rice, the effect is better.
Fourth, fear of concentrated fertilizer. Phalaphorus and potash fertilizers are used in white orchids, but bogey concentrations are too high. Otherwise, reverse osmosis may occur, causing "physiological drought" of plants. The principle of fertilization for white orchids is: "dilute, regular application, early evening application." Practice has proved that with thin human feces and urine, bean cake water, mixed chopped fish chops, rotten shrimp, chicken entrails, etc., cooked, according to the proportion of fertilizer 1:9, applied once every 3-5 days, application At the time of incorporation of calcium sulfate, the effect is better and the white orchid can have a strong aroma. .