Have you found that the football field is always green specially in foreign? In fact., there is no necessary to doubt, cause these colors are not natural, but due to staining technique of artificial grass. Would this kind of dye harm environment?
With increasing demand for landscape transformation, someone developed lawn stain which is non-oily to extend period of green lawn, improve the visual effects of landscape for golf courses, leisure and family turf. This cost is cheaper than to enhance the conservation and increase treatment less nutrition. From the composition of the colorant, the coloring component is basically low toxicity to humans and the environment, non-toxic. After spraying the colorant, it can prevent lawn overgrowth. If the colorant is added trace elements or fertilizer component, it plays a nutritional role for lawns.
Thus, the dyed lawn will not harm to humans and the environment. compared to the uneven color of turf for football field, people certainly prefer to see the green grass of the stadium.