Summer loofah needs to prevent premature aging

After summer, with the changes of temperature, light and other environmental factors, loofah plant stems and leaves grow faster, the roots of aging faster, if not properly managed, can easily cause premature plant failure. At this time, it is recommended that the vegetable growers take the following measures:
First, reasonably stay melon. When planting gourd in winter, vegetable growers usually take five or six leaves to leave a melon, which can ensure that the melon strips get adequate nutrition, but also ensure that plants grow vigorously. When planting summer loofah, due to the rapid growth of plants, vegetable farmers generally leave three or four leaves to leave a melon, but the vegetable farmers must pay attention to plant growth, according to the growing trend of decision to stay in the melon. On a vigorously growing tree, you can leave a melon on three or four leaves; on a weakly growing tree, you should reduce the number of melons and change to five or six leaves to leave a melon. Otherwise, the plant will become overburdened. Stems and leaves have poor growth and development and eventually cause premature plant failure. It is recommended that the vegetable grower adjusts at any time according to the growth status of the plant, and reasonably keeps the melon.
Second, adjust the temperature of the greenhouse. Luffa plants grow at a suitable temperature of 25-32°C during the day and 15-20°C at night. After the summer, the indoor temperature rapidly rises, so take timely measures to reduce the temperature of the greenhouse. First of all, to strengthen ventilation, open doors at noon, increase ventilation openings. Secondly, the shade net is set. The shade net mainly reduces the temperature of the booth by blocking part of the sunlight and reducing the heat. In the morning and afternoon, the light is weak. In order to increase the photosynthetic efficiency, the shade net should be used after 11am to 3pm. Again, rational watering reduces ground temperature. Water evaporation will absorb a lot of heat, and reasonable watering is also an important measure to reduce the temperature inside the greenhouse.
Third, Qiao water. The loofah is hi damp, not dry, suitable for soil moisture content of 70% -85%, should be watered in time to prevent premature loss of loofah plants due to drought. Farmers should pour water after topping in the weather, and pour water after two days, and pour water into the water two days before harvesting. This can promote the growth of melon strips and plants and prevent premature aging. During the result period, vegetative growth and reproductive growth are very strong, and there is a large demand for nutrients. Therefore, vegetable growers should pay attention to timely topdressing to ensure sufficient nutrient supply.
For scientific fertilization, it is best to test soil before planting and fertilize according to soil nutrient conditions. Because of the different fertilization habits of vegetable growers, the nutrient status of greenhouse soils varies greatly. Some pothouses may have excessive potassium fertilizers and insufficient nitrogen fertilizer. Some greenhouses have excessive nitrogen fertilizers and insufficient potassium fertilizer. The situation is different. has a difference. The reporter learned from an interview with the Shouguang Soil and Fertilizer Testing Center that the content of potassium in the soil of a vegetable greenhouse in Luocheng Street, Shouguang City, has reached 2000 mg/kg, far exceeding the demand of plants. If potassium fertilizer is applied at this time, the normal growth and development of loofah must be affected.
Fourth, prevent pests and diseases. In general, the loofah has strong disease resistance and less disease, but the high temperature and high humidity environment in summer greenhouses can easily lead to high incidence of bacterial diseases and viral diseases. Therefore, prevention measures should be strengthened in management. Bacterial diseases mostly occur after falling, so agricultural streptomycin should be sprayed 3000 times before falling. For the prevention of viral diseases, the emphasis is on the prevention and control of transmission of pests and insect pests: the establishment of insect-repellent nets to prevent transmission of insect pests inside and outside the shed, the suspension of yellow armyworm board, the killing of insect pests inside the shed, and the observation of insect pests; timely administration of drugs such as acetamiprid , imidacloprid and so on. At the same time, it is necessary to combine the spraying of schistosinomycin and mushroom proteins to increase the disease resistance of the plants and prevent the virus diseases.

Isolation clothes, also known as clean work clothes, clean work clothes, purification clothes, dust-free clothes, sterile clothes, anti-static work clothes, dust-free work clothes, work clothes, protective clothes, etc.
In addition to the fact that clothing itself cannot be a source of dust emission, it also has the effect of preventing dust from being emitted by the human body. At the same time, as a sterile clothing, it should have basic properties such as safety protection, comfort, ease of operation, aesthetics, etc. in materials and design. Otherwise, due to the different styles, fabrics and sterile underwear of the work clothes, it directly affects the number of dust and colonies in the clean room.
Widely used in electronic, pharmaceutical, food, biological engineering, optics, aerospace, aviation, color tube, semiconductor, precision machinery, plastics, paint spray, hospitals, environmental protection and other industry clean workshops, there are a variety of colors and specifications suitable for different anti-static Or clean environment.
* Performance editing
100% high-density polyethylene material, one-piece hooded design, breathable and moisture-permeable, can block the penetration of fine dust and liquids, and at the same time allow water vapor to permeate; light and tough, prevent the accumulation of static electricity, it does not produce dust , Free of silicon.
It is made of special polyester filament, warp or warp and weft inlaid with Japanese bell spinning 9R series conductive fiber, and manufactured by a special process. Has excellent, long-lasting conductivity. It is a necessary measure for anti-static of personnel clothing.
The charge of work clothes: <0.6 micro library / piece. Charge area density: <7 microbanks / square meter.
(Annotation of "micro-coulomb": "coulomb" is a unit of charge measurement, 1 coulomb = 1000 milli-coulomb = 1,000,000 micro-coulomb. 6.25 × 108 electrons carry 1 coulomb, and the power of one electron belt is 1.6 × 10 19 coulombs).
* Fabric editing
The fabrics used are: fabrics containing conductive silk, gabardine, yarn cards, TYVEK (acid and alkali resistance), etc.
Conventional optional fabrics: 5mm strip type, 5mm mesh, 2.5mm mesh fabric conductive silk, its anti-dust and anti-static effect is getting stronger and stronger in order; this is also selected according to the clean room level, generally CLASS10000 The clean room below (ten thousand area) should use 5mm strip conductive silk, CLASS1000 (thousand level area) and 5mm grid should be used; CLASS100 (100 level area) clean room should use 2.5mm grid fabric conductive silk.
Isolation clothing fabric-like characteristics
1. Japanese original parallel wire processing technology, with excellent anti-static performance, is permanent and can effectively discharge human body electrostatic charge;
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3. Good washing resistance, bending resistance, abrasion resistance, etc., washing resistance ≥100 times, high temperature steam temperature: 120 ℃;
4. All-over-seaming process of special equipment imported from Japan, one-time forming, good dust resistance, can be used in 10-10 thousand grade clean room;
5. Especially recommend the production and sales of breathable anti-static clean clothes.
* Advantage edit
1. The fabric itself does not produce dust: because it is worn in a clean room, the fabric must not be a source of dust in the clean room, which determines that ultra-clean fabrics can only be produced with chemically synthesized long fibers. Natural short fibers such as cotton, hemp, and silk cannot be applied to ultra-clean fabrics, although these raw materials can make the fabrics more wearable. At the same time, it is required that the selected chemical fiber filaments also strictly control the amount of dust generated. Generally speaking, fully matt polyester filament is not suitable for weaving anti-static ultra-clean fabrics. Because the matting agent added in the production of polyester-titanium dioxide will become a source of pollution.
2. The fabric should have good dust filter: the dust in the clean room mainly comes from the air flowing in the room and the human body moving in the room. When the equipment conditions are determined, improving the cleanliness means that the fine dust generated by the human body should be controlled in the clothes to the maximum, and let it pass through the fabric and enter the air. This is the so-called fabric filter rate is higher. Increasing the dust filtration rate is at the expense of the breathability of the fabric, so knitted fabrics and woven fabrics that are more loosely woven are not suitable for clean rooms.
* Edit specifications
The fabrics used are: fabrics containing conductive silk, gabardine, yarn cards, TYVEK (acid and alkali resistance), etc.
Conventional optional fabrics: 5mm strip type, 5mm mesh, 2.5mm mesh fabric conductive silk, its anti-dust and anti-static effect is getting stronger and stronger in order; this is also selected according to the clean room level, generally CLASS10000 The clean room below (ten thousand area) should use 5mm strip conductive silk, CLASS1000 (thousand level area) and 5mm grid should be used; CLASS100 (100 level area) clean room should use 2.5mm grid fabric conductive silk.

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