Greenhouse vegetable science lighting new tricks

1. Grasp the reasonable planting density to avoid the reduction of ventilation and light transmission in the field.

2. Use a drop-free film. The drop-free film incorporates several surfactants into the formulation to allow water molecules and film surfaces to flow into the surface without the formation of water droplets. The use of a drop-free film shed can increase the light intensity in the shed and increase the temperature of the shed.

3. Reflect the light curtain. Use a 2mm wide and 3m long aluminized film reflective curtain, hung on the north side of the shed to make it vertical, which can increase the ground by 40% and the shed temperature by 3-4°C. In addition, laying a silver-gray mulch on the ground can also increase the light intensity between plants.

4. Uncover the coverings such as grasshoppers in time, and extend the number of hours of light as much as possible. Generally, the weather should be more than 8 hours, even if it is cloudy for 4 hours. Keep yin and clear to prevent physiological wilting.

5. Pay attention to the shed film to eliminate fog and water droplets in the shed to increase the glazing rate and increase photosynthesis. The timely use of photosynthetic nutrient film fertilizer in germination and seedling stage can help plants absorb a large amount of light fertilizer, light energy, light, compatible with conventional fertilizers and nutrients to supply plant growth and development to the limit. One-year benefits for one application.

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Vitamin

Vitamins are a type of trace organic substances that humans and animals must obtain from food in order to maintain normal physiological functions. In terms of physiological functions, vitamins are neither a raw material for tissues nor a substance for supplying energy, but they are an indispensable substance for the body. It has many types and different chemical structures. Most of them are the components of the coenzyme (or prosthetic group) of certain enzymes. They are the indispensable compounds for maintaining the normal growth (growth, health, reproduction and production function) of the body. It plays a catalytic role in the body to promote the synthesis and degradation of major nutrients (proteins, fats, carbohydrates, etc.), thereby controlling metabolism. Vitamins are essentially low-molecular organic compounds. They cannot be synthesized in the body, or the amount synthesized is difficult to meet the needs of the body, so they must be supplied from the outside. The daily requirement of vitamins is very small (usually measured in milligrams or micrograms). They are neither a raw material for body tissues nor a substance for energy supply in the body. However, they do not regulate material metabolism, promote growth and development, and maintain physiological functions.

Vitamin K2 MK-7, Vitamin C, Vitamin E, Vitamin K2, Vitamin H, Vitamin D3

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