The winter use of white plastic film is more conducive to raising ground temperature.The main purpose of using plastic film in winter is to raise temperature and reduce humidity.Since the white film has a transmission rate of 80% to 90%, it helps to raise the ground temperature.The white plastic film is reflective and can increase the intensity of greenhouse light.The black plastic film is basically impermeable, the sunlight is on the film, most of the plastic film is absorbed into heat, outward radiation.In general, the effect of warming on soil is 1-2 below that of white plastic film.Therefore, in the plastic film covered in winter, the choice of white plastic film is better.
Weeding measures next spring cucumber, you can't plant the future 2-3 leaves, directly to the plastic film, the use of the shadow of the leaves, create a mattress, inhibit the growth of weeds in this practice prove that use white plastic film is better in winter.3456. Television
Both sides are black and white plastic films
One side is the milky side, and one side is the black side.When used, the black face is affixed, increasing the reflection of the light and the lower part of the crop.
Combine strength, reduce temperature, humidity, weeding, suitable for high temperature season planting.The thickness is 0.025-0.4mm, and the vegetable consumption per mu is about 12.3-19kg.
Second, movie specifications: 0.95, 50 m 0.025mm 1.1 kg/roll
0.9.5 billion 0.025 mm, 2.21 kg/roll
1.5.500 million 0.025mm 1.57 kg
1.100 million 0.025 millimeters, 3.14 kg/roll
3.Film packing: 12 rolls/box
In the case of
Fourth, I am responsible for the production and export of various types of film film, the price is different, the black grass film, the black and white temperature weeding plastic film, the black silver color grass film.It can be customized from 1,000 kilograms