Summer Management Techniques for Planting Orchids
1. Shading: In summer, orchids grow in a cool, ventilated environment. After the beginning of summer, the sunshine is getting stronger. In the north, orchids have just emerged from the greenhouse and can be placed under shaded trees or near bamboo groves. They can also be placed in shade sheds and receive weak light sooner or later. In order to accelerate the growth of orchid buds, it can be allowed to receive one hour of weak light in the morning and evening. At the end of summer, it is more necessary to strengthen shading, prevent summer heat, and often sprinkle water in the morning, afternoon and evening, and ventilate the breeding orchids frequently.
2. Extermination sterilization: In the summer in southern China, the sun is shining brightly, and the rain is abundant. The plant material in orchid pots becomes sour and easy to infest. Therefore, pesticides are sterilized by spraying pesticides on potted orchids around the cultivation site every 7 days.
3. Watering: In the summer when potted orchids are short of water, poor growth occurs. If using red clay brick, volcanic stone, floating stone, eucalyptus clay and other hard hydrophobic plant material, water can be provided once or twice a day; if using pond mud, soil sugar, rot leaf soil, peat soil and other water-absorbing plant The material can be supplied once every two to three days, as long as it sprays water on the leaves every morning, afternoon and evening. In short, potted planting materials, as long as the maintenance of seventy-eight to wet, to meet their growth needs.
During the summer season, watering should be carried out before the early morning sunrise and after nighttime heat loss. The rot of orchids, dark spots on the leaves, and morbidity of leaf buds and rots are mostly related to improper water supply.
4. Fertilizer: Green leaf products should be applied with fertilizers with a balance of nitrogen, phosphorus, and potassium, while line artisans should use only phosphorus and potassium fertilizers. No matter what kind of organic fertilizer is used, it must be fully fermented and thoroughly decomposed and diluted with purified water. Fertilization should be carried out with "fat fertilizers and diligence." It is advisable to apply the liquid fertilizer once every 10 days between the beginning of the lunar new year and the grazing season, and to carry it out on a sunny day. In the first hour or two after the fertilization, or in the early morning of the next morning, pour the potted blue water with clean water to remove excess fertilizer so as not to damage the orchid roots. The new plant strains, diseased orchid strains, and poorly growing old and weak orchid strains will not be applied with root fertilizer. During the hot season, when the temperature is higher than 30 degrees Celsius, all kinds of orchids will stop fertilizing, and it is also necessary to avoid fertilization on rainy days. It is also not appropriate to fertilize the horticultural orchids during flowering or flowering.
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