The World Cup in full swing, the fans of the world's eyes are turned to Rio DE janeiro football field area of 7140 square meters.Halftime, staring at that piece of green soccer fields, there are fans of such question: "the football grass so green, what kind of?"To this end, the reporter interviewed some of the city lawn planting expert.

 

Grass: error is less than 2 mm

 

To meet demand football this kind of high strength, the fierce confrontation, football field lawn grass must meet several conditions: as much as possible to reduce injury rates athletes, grass must be soft;In order not to influence the ball rebound rate, the elasticity of turfgrass is well;Most important, football field of turfgrass trampling resistance capability is strong;Also have strong ability of recovery and drought resistance, cold, insect and disease.

 

According to FIFA, the World Cup football competition grass should be 28 mm long, and the error is less than 2 mm.North from the grass, general choose type cold season lawn grass planting field, such as grass Kentucky bluegrass, types of perennial ryegrass, tall fescue, etc;Southern type selection during the lawn grass, such as cynodon dactylon, zoysia, etc.The World Cup held in Rio DE janeiro, Brazil, on the grass seed selection, not adopted single variety, but according to the temperature and humidity, illumination, according to the proportion of grass.

 

Plants: drainage, pruning, fertilizing strictly controlled

 

Kind of like the World Cup football field with a large piece of green carpet, and some of our domestic stadium, and area of the lawn, why is concave convex, concave and convex like a vegetable patch just harvest?Greening experts explain, this is the maintenance problems, or have not been able to choose the appropriate grass seed.At present, the world's most advanced football field lawn management technology is a synthetic turf growth system (DESSO GrassMaster), the technology will be used in combination with natural grass and artificial fiber, the World Cup, the premier league club, and the super bowl is the lawn management technology, etc.

 

In general, a perfect football field lawn, need to start planting 140 days in advance, during the period of construction, good drainage system, the strict control of accurate pruning technology, fertilization, be short of one cannot.There will be road pattern on some of the football field, the pattern is through the grass color depth to reflect, and can appear this kind of color difference, on the one hand, through fertilizer application, on the other hand is through the Angle of cut grass lawn mower.

 

Choose grass: zoysia cold resistant to tread the most common in suzhou

 

In suzhou, the most common is zoysia lawn grass, the grass is also the Chinese native grass seed, the United States introduced since the end of the 19th century.Now, the world a lot of football field mainly grass are zoysia, this grass is not only cold resistance and resistance to tread.Was in use from 1937 to the early 1990 s, many citizens are allowed to enter the appreciation of the suzhou public green land also mostly use the grass.

 

But many urban lawn as will hang "do not trample" warning signs."Lawn don't let on not to lie, the lawn?"With this doubt, many citizens and urban planting lawn, think of the high cost of lawn maintenance, and didn't see in.This is a misunderstanding on the lawn.A perfect lawn is "three kinds of seven FenYang", because the lawn grass with other plant has its own life cycle, keep trample, only a perfect lawn stepped into the ground.