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Du Fu likes fertilizer. The use of years of acidic humus soil with rotted litter accumulation is the most suitable for cultivation of azaleas.
Poor clay permeability, poor drainage, should not be used, especially soil containing lime can not be used.
Do not chase alkaline fertilizer when applying fertilizer. After rancid oil such as lard oil is buried in the soil, the azalea can grow vigorously, bloom more, and the color is bright. Use nitrogen, phosphorus, and potassium fertilizers correctly. Nitrogen fertilizer is sufficient, the leaves are dark green and grow vigorously. Nitrogen deficiency, light and light leaves, thin and old leaves, thin and thin branches, flowers, and a small amount of a small amount of nitrogen, but also cause leggy. Phosphorus rich plant is strong, with more flowers, bright colors. Phosphorus deficiency, few branches and thin, thin petals, short flowering period. In the absence of potassium, azalea branches are slender and their tissues are soft. When sapling, apply more nitrogen and potassium fertilizers, and apply more phosphate fertilizer when growing trees. If the soil has been alkalized and the leaves are whitish and yellowish white, ferrous sulphate should be added. Fertilizer should not be strong. Thin fertilizer applied. Over-concentration of liquid manure will burn the roots and cause damage to the plants.
Du Fu is afraid of dryness and afraid of embarrassment. If the rhododendrons are too soiled, the roots are shriveled. The first is the sagging or curling of the leaves. Afterwards, the tips of the young leaves turn into yellow, and the serious ones cannot recover and die. Pellets had excessive moisture and good ventilation, resulting in rotted roots, light yellow leaves, early fall, growth arrest, and severe death.
If the cuckoo pots are too dry and cause damage to the roots, the salvage method is to soak the roots with water in the water, put them in a cool place, and spray the leaves several times. If the wet leaves cause the yellow leaves to fall early, the affected plants should be placed in a ventilated place to control the number of watering and watering, and stop the fertilization to prevent pests and diseases.
Azaleas prefer a moist environment. They should often drench some water around the pots and leaves to keep the surrounding environment moist. If the surrounding environment is dry, azaleas are very susceptible to disease. The rescue method is to put the affected rhododendron into the pit under the tree, such as grapes. The glass cover is used well. The water in the pit is often sprayed. The grape leaves can penetrate into the oblique illumination and the diseased flowers will gradually return to normal.
After the buds have budded, they should be more sunbathing, but they should pay attention to the strong light during the flowering period. The strong light will dilute the color and cause the flowers to fade early. Scattered light is required and good ventilation is required.
How can a rhododendron bloom to be blooming?
To make the rhododendron blooming, first familiarize yourself with the growing environment of rhododendron, the pH is between 5.5 and 6.5, and avoid using alkaline or sticky soil. The suitable growth temperature is 12°C to 25°C. It is necessary to shave and protect the sun in summer and freeze and keep warm in winter. It is best to move indoors. In accordance with the details introduced above, carefully cultivated, azaleas will be very beautiful.