"Source" brand black and white color film Introduction What is a black and white color film? Black and white color film, also known as the black and white color film (commonly known as white with black plastic film) is a new generation of ground cover one film, it is a white and black and white multifunction color film. "Source" brand black and white color film using a first-class production equipment, advanced processing technology, gives it a unique shape structure and excellent quality, which in addition to ordinary film has insulation, moisture function, but also have the black mulch of weed advantages. White vaginal discharge crop can fully absorb sunlight, promote crop growth, taken off the black weeds due to lack of light, so as to effectively control the growth of weeds, no weeding overcome the ordinary film, black film insufficient light on crop growth defects, The product can also adjust the temperature, so that a stable environment for the growth of crops, reducing the cost of cultivation to increase production purposes, and inhibited the growth of weeds, reduce the use of pesticides to prevent pests, reduce pests and diseases, to promote plant growth. Two black and white film product performance and features black and white film in addition to insulation, soil moisture has ordinary film role outside. Also inhibit the growth of weeds and regulate soil temperature effect. Early spring crop planted in transparent film portion to Liti warm seedling, post extended to the roots and root temperature of the destabilizing black film, in order to reduce the high temperature barriers; autumn crop planting in the black film portion to reduce the impact of high temperature on the seedlings of early autumn, late autumn transparent film but also improve a plant's root system temperature age to promote growth. Black film has a significant role in suppressing weed growth and yield, compared with ordinary transparent membrane, significantly reduced effect of ground temperature. Three scope and use of time is mainly used for potatoes, corn, tobacco, vegetables, field crops and ground cover. Use time based on different crops and different. Four "source license" black and white film thickness specifications: 6 wire -8 wire. Width of 1750px, 2000px, 2250px, 1 m 1.2 m, 1.3 m and a maximum width of 1.5 meters. Weight 8 pounds per roll, 9 pounds per roll two kinds. Wherein the middle of a white, white film section width of about 500px. There Erdaobaihe and white film about every part 17-450px, between two character asks black is about 30 cm. Special size can be customized individually (2 tons). ?