General water conservation measures: Summer temperatures are high and sunlight is strong, greatly accelerating the transpiration of potted plants, which can easily cause drought. Therefore, reasonable watering of potted plants is especially important in summer.
At noon in summer, the temperature of the potted soil is high and the roots absorb water more quickly. If pouring cold water at this time, the basin soil temperature will drop suddenly, affect the normal function of the root system, root water absorption difficulties, damage the balance of plant water metabolism, but will lead to plant wilt, affecting growth. Therefore, watering pots should be done in the morning or late afternoon. When the potted soil is dry, it is generally not watered. When it is dry, the watering must be done thoroughly. Do not only pour it to half of the potted soil. If the water is often not watertight, it will cause poor permeability of the basin soil, which will directly affect the normal physiological activities of the root system. In severe cases, it will also lead to rot. In summer, basin soil often cracks because it is too dry, so watering can't be done at one time. Otherwise, water will leak from the earth seam directly to the bottom of the basin. Most of the basin soil is still dry, and the plants are still seriously dehydrated the next day, causing wilting. . Therefore, generally after the first watering, wait for a while, let the pot soil expand and loose, soil cracks closed and then poured once.
When wilting occurs in the potted plants, the wilting plants are first moved to sheltered shades and a small amount of water is sprayed onto the foliage and potted soil. After the plants are restored, they are irrigated.
Fertilization: In the hot season, in addition to jasmine, rose and other vigorously growing flowers, generally not suitable for fertilization, especially into the dormant period of the azaleas and cyclamen, freesia and other bulbous flowers.
Shade: For some half-negative and female flowers, avoid high temperatures and direct sunlight in summer. Take shady measures and spray water to cool down. Even plants that are extremely drought-resistant, such as cacti, are at risk of being burned when the temperature exceeds 38°C. In the summer, when there is heavy rain, the nutrients are easy to lose after the pots and soils have accumulated water. Therefore, after the rain, the pots should be tilted and rainwater should be pumped out.
Pest control: Sultry summer is a season of high incidence of pests and diseases. The diseased branches and leaves should be promptly removed and supplemented with drug control.
Phalaenopsis orchids are semi-negative flowers, shade in the summer to avoid the light. It is best to use shading nets to shade and place the orchids near water or in fresh, well-ventilated areas.
Fertilization should follow the principle of thin fertilizers. It depends on the variety of orchids, the weather, the temperature, and the strength of the plants. Under normal circumstances, Chunlan applies nitrogen and potassium fertilizers in the summer; gladiolus applies phosphorus and potash fertilizers; and Chillran does not apply any fertilizer. In addition, weak plants should not be fertilized on cloudy days or at high temperatures.
Although the watering orchid is a fleshy root, in the summer season when the light is strong and the temperature is high, the water requirement is relatively increased and it must be ensured that there is sufficient water. In addition to normal watering, leaf spraying can be performed at noon to increase the humidity.
Spraying orchids is prone to anthrax in the rainy season and high temperature season. In addition to improving the conditions for ventilation and light transmission, it is necessary to prevent and cure diseases in time. Bordeaux or thiophanate-methyl was sprayed once every 10 days to control anthrax in leaves. Spraying 40% omethoate and dicofol every half a month killed scale insects and ticks.
Preventing rain, windy and rainy in summer, especially heavy rain, not only breaks the blue leaves, but also splashes dirt on the surface of the orchids or orchids, resulting in the occurrence of brown spots in orchids. Therefore, it is necessary to properly shelter the rain when it encounters heavy rain.
Trimming should be cut in time for pests that have been harmed by pests so as not to spread to other blue plants. At the same time, the flowering orchids in the summer must also cut off the leaves and leaves of the flowers so as not to consume too much nutrients.
The suitable temperature for the growth and flowering of the four-season sea bream is about 23°C. In summer, it is semi-shady, cool and well-ventilated. Avoid heat, waterlogging, and strong light. In summer maintenance, follow its "temper".
Shade ventilation should adjust lighting time and create an environment suitable for its growth. Shade it. Indoor cultured plants should be placed in a place with scattered light and air circulation. At night, windows must be opened for ventilation.
Moderate watering The four-seasoned seabream prefers a moist environment, but in the hot summer season it is better to have a slightly moister basin. Watering Do not fix the water several times a day or a few days, but at any time pay attention to observe the wet and dry state of the basin soil, see the basin when the white soil can be watered, the amount of water should not be too much. Watering time is good around 9:00 in the morning. Do not pour as much as possible and pour, but do not fully dry and pour.
Classification Fertilization The fertilization of the four seasons of the sea bream in summer is to be treated differently according to the old and new plants. The new strains that were bred in the autumn of last year may be cooked with thin pancakes after each flower. The ratio of fertilizer to water is preferably 1:5. Once a week, they can be applied twice. After two weeks, they can be re-emerged. Perennial old plants or weak plants, when the temperature above 25 °C, need to stop fertilizing, fertilization until after the fertilization, to usher in the second flowering season.
Cooling and humidifying water several times a day around the plants and the ground to reduce the temperature and increase the air humidity. If conditions permit, a sand bed can be set in the corner of the balcony or in the courtyard, and the plants can be placed on the sand surface. When the plants are watered, the sand is sprinkled wet, which can play a good role in cooling and humidifying.
Disease prevention and control of pests in the conditions of high temperature and high humidity, the four seasons jellyfish prone to bacterial speck disease. At first, dark brown spots appeared on the leaves, which gradually spread into dark brown boules. Bordeaux spray can be used to prevent the onset of the disease, and pay attention to improving the cultivation conditions and management methods. The diseased leaves will be removed and burned in time to prevent further transmission. Summer is the high incidence of locusts and red spiders, and they should be promptly treated with pollution-free pesticides.
Climbing the fertilizer to reduce the amount of fertilization will not allow root absorption. As a result, the fertilizer fermented to a high temperature and burned the roots of Clivia.
Control the light in about June of each year, we must adjust the sunny side to ensure the regularity of the blade growth. In midsummer, let Clivia see the morning light for 2 hours a day.
Ventilation and cooling In summer, special attention should be paid to placing the clivia on a pool or basin.
Although the amount of watering for summer watering is more than that for other seasons, it still insists on the principle of “don't do it without pouring it, pouring it with waterâ€. When watering, be careful not to allow water to enter the heart of the leaf, otherwise it is easy to rot the leaf.
The reason for the death of rose potted rose in the summer is mostly due to the fact that the potted soil is not well-prepared, there is no soil change in the spring, and the original pot soil nutrients are exhausted. In this way, the Chinese rose could not withstand high temperatures and die. The Chinese rose is almost semi-dormant during the summer hot season. Some growers do not see the flowering or flowering of the rose. They think that it is due to lack of fertility. Therefore, more fertilization and application of concentrated fertilizer, coupled with the summer high temperature to promote fertilizer to speed up the fermentation, the Chinese rose will Was burned out of the root system.
After changing the soil, change the soil and put it in the cool place for about one week before normal cultivation. Remove the cement and replace the loose soil.
Control fertilization 15 to 20 days a light fertilizer solution, then increase the amount of fertilizer in late summer. Wash the roots and replace the soil immediately for the roses that have appeared dead. Cut off some of the branches and put them in the cool place for conservation.
In addition, water should be sprayed on the leaves of the Chinese rose in summer, and the watering should be carried out in the morning and evening. The branches should not be trimmed vigorously, and the insect pests should be prevented and the light and ventilation should be strengthened.
Rhododendrons cool down to create a cool, airy environment for flowers. Should be placed in indoor and outdoor ventilated shade, let it breathe fresh air.
Moisturization first insisted on spraying water 4 to 5 times a day. At the same time, during the day, a pot of water is placed under the flower pots, and the wooden strips are placed on top of the basins so that the water can evaporate with high temperature to create the air humidity needed for azaleas to bloom.
Translucent rhododendrons tend to be inversely proportional to the growth of the petals, especially when the flower blooms in the high temperature season. When the light is slightly bright, the petals will shrink. And in terms of plant growth, we must not see the sun. In order to solve this problem, insist on the flowers on the balcony every morning from 5:30 to 7:30 to meet the needs of plant growth.
The nourishing rhododendron can not only make up for nutrients when it blooms, but it is also not necessary to make up for nutrients, especially in the hot season. Spray a small amount of potassium dihydrogen phosphate solution once a week. In addition, the use of watermelon juice spray irrigation roots, the effect is good.
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