The Role of Greenhouse Films in Vegetable and Flower Cultivation

Temperature and Humidity Control
Greenhouse films provide a stable growing environment for plants by preventing heat loss and reducing water evaporation. For example, transparent films can increase the temperature inside the greenhouse, making them suitable for use in cold seasons; black films can suppress weed growth and keep the soil moist.
Light Regulation and Light Quality Optimization
Films of different colors can adjust the light transmittance and spectral distribution. For instance:
Blue film: It enhances light transmittance under low - light conditions and is suitable for heat preservation in winter.
Green film: It inhibits the photosynthesis of weeds while promoting the above - ground growth of plants.
Silver - gray film: It reflects ultraviolet rays to repel insects, reducing the risk of virus transmission.
Protection Against Natural Disasters, Pests and Diseases
Films can block wind and rain, reducing mechanical damage to crops. Some functional films (such as insect - proof films) reduce pest invasion through physical barriers or spectral characteristics, thereby reducing the use of pesticides.
Extending the Growing Cycle and Increasing Yield
Through functions like heat preservation and sunshading, off - season cultivation can be achieved, such as shading and cooling in summer and warming and preventing freezing in winter, thus increasing the yield and quality of crops.

Technical Background and Product Features

Technical Source:

PEP Lida Film (brand name "pep® Lida Film") is derived from the patented formula of the Greek Plastika Kritis Group. It is produced using three - layer co - extrusion technology, and all raw materials are imported from Europe to ensure stable performance.
Functional Characteristics:
High Weather Resistance: With the addition of UV stabilizers and antioxidants, it has a long service life and can adapt to extreme climates such as high temperatures and strong UV radiation.
Customized Services:

It supports customizing thickness and size according to needs, covering various types such as transparent films, black - and - white films, and green - and - white films, which are suitable for different crops like flowers and blueberries.

Technical Specifications of 150micron transparent film

Thickness	200micron
Plastic film type	Transparent film
Full name	3-LAYER LONG-LIFE, CLEAR, ANTI-DRIPPING GREENHOUSE FILM
Material	PE
Life	5-10 years according to different UV level
Tensile Strength @ Break (MPa) - Machine Direction	32
Tensile Strength @ Break (MPa) - Transversal Direction	32
Elongation @ Break (%) - Machine Direction	600
Elongation @ Break (%) - Transversal Direction	650
Tear Resistance (gff/mic)	7.5
Dart Drop (g)	1500
Light Transmission (%) (400 - 700 nm)	≥ 90
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