In the open-to-ground tomatoes, in late August and September, the leaves of the lower part often turn yellow, and there are large irregular large-sized brown spots in the middle, which rapidly develop and spread, resulting in severe reduction in production. Some farmers went to some scientific research units for laboratory analysis and found no infectious microorganisms. The author's analysis believes that this is due to poor management, aging roots, and weakened absorption. The prevention measures are as follows:

When growing seedlings, measures such as shading and cooling should be taken to prevent the seedlings from becoming leggy and promote root development. Reduce the use of fertilizer during the nursery period. As long as the organic fertilizer is sufficient, nitrogen fertilizer may not be applied. 2. When planting, the application amount of chemical fertilizer in basal fertilizer should be reduced. 30-50 kg compound fertilizer can be used per mu. Planting should be followed by seedlings to promote root growth and development. 3. Before planting, spray the soil conditioner with no deep ploughing, 200 grams per mu, to promote loose and transparent soil 30 to 50 cm deep. This will not only be conducive to the growth and development of roots, strengthen their absorption capacity, but also improve the water storage capacity of the soil. After watering, the water will quickly seep into the lower layers of the soil. Water will not be stored on the surface of the soil and no damage will occur. When the drought occurs, the soil will have a lower layer. Water storage will not cause drought damage. 4. Combine spraying insecticides, fungicides and other drugs, topdressing potassium, boron, calcium, magnesium, iron, zinc and other fertilizer elements every 5 to 10 days. The concentration is about 0.3%. Foliar fertilization solves the problem of fertilizer element deficiency. 5. Every 10 to 20 days, a plant growth regulator, natural alfalfa Shuofeng 481, was sprayed to promote photosynthesis and improve the nutritional production.

Collagen Red Light Therapy Bed Principle:

The red light of the Collagen Red Light Therapy Bed refers to a comprehensive light wave with visible light of 600-700 nm (more than 90%) and infrared light of 700-4000 nm (10% or less). Scientific research shows that the use of red light for external irradiation can produce important biological effects and achieve certain therapeutic effects on the skin.

Red light beauty is a fixed diode low-energy light (633nm red light) instead of laser to relax and strengthen micro-vessels, promote blood circulation, increase oxygen and accelerate detoxification. Red light can improve the microcirculation of the blood system and lymphatic system of the skin, stimulate the intracellular mitochondrial activity. The specific wavelength of red light can convert light energy into bioenergy, neutralize free genes generated in cells, and stimulate fiber cells to produce collagen. , can gradually change from the inside of the skin. High-purity, specific-wavelength red light ensures that users are protected from other harmful light, effectively acting on the mitochondria of subcutaneous tissue cells, producing highly efficient photochemical biological reactions - enzymatic reactions, and activating cellular color in cell mitochondria The oxidative enzyme C, which produces more energy to accelerate the synthesis of DNA and RNA, promotes the formation of large amounts of collagen and fibrous tissue, and accelerates the elimination of pathological or dead cells, thereby repairing damaged skin cells for cosmetic effects.

Collagen Red Light Therapy Bed Product Effects:

• Minimizes wrinkles and fine lines • Reduces crow`s feet
• Improves skin tone • Helps sun damaged skin
• Heals and prevents acne
• Stimulation&regeneration of collagen

• Photorejuvenation
• Full body Phototherapy
• Automatic-off timer to guarantee accurate session time
• Minimal heat output

• Curved canopy for side to side skin rejuvenation
• Specially glossed aluminum reflectors to provide even rejuvenation
• Biotech tunnel design
• Superflow internal cooling fans
• Adjustable gas spring lifts
• Minimizes wrinkles and fine lines
• Reduces crow`s feet
• Improves skin tone
• Helps sun damaged skin

• Heals and prevents acne 

• Stimulation & regeneration of collagen
• Activates fibroblast cells which create collagen and elastin
• stimulates increased blood flow, regeneration, circulation and oxygenation
• Heals skin blemishes
• Reduces skin degradation
• Creates more skin moisture which will help fill out skin
• Body detoxification
• Helps irregular pigmentation
• Increases circulation

• Reduces brown age-spot producing melanin
• Reduces pore size • Reduces skin coarseness
• Reduces overall redness, flushing, dilated capillaries

Collagen Red Light Therapy Bed

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Shenzhen Guangyang Zhongkang Technology Co., Ltd , https://www.lighttherapymachine.com