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The Lawn Tennis Association prices a porous macadam court at £20,000, which should last 10 to 12 years with low maintenance costs. An acrylic court would cost around £25,000 and is long lasting with low maintenance. "Fast/dry" courts are a relatively new innovation from America.
Sod is grown on specialist farms. For 2009, the United States Department of Agriculture reported 1,412 farms had 368,188 acres (149,000.4 ha) of sod in production. [9]It is usually grown locally (within 100 miles of the target market) [10] to minimize both the cost of transport and also the risk of damage to the product.
AstroTurf is an American subsidiary of SportGroup that produces artificial turf for playing surfaces in sports. The original AstroTurf product was a short-pile synthetic turf invented in 1965 by Monsanto. [2] Since the early 2000s, AstroTurf has marketed taller pile systems that use infill materials to better replicate natural turf. [3]
Deere & Company is listed on the New York Stock Exchange under the symbol DE. [3] The company's slogan is "Nothing Runs Like a Deere", and its logo is a leaping deer with the words "John Deere". It has used various logos incorporating a leaping deer for over 155 years.
The Stoß is a unit of cattle stock density used in the Alps. For each Alm or Alp it is worked out how many Stoß (Swiss: Stössen ) can be grazed (bestoßen) ; one cow equals one Stoß , 3 bulls equal 2 Stöße , a calf is 1 ⁄ 4 Stoß , a horse of 1, 2 or 3 years old is worth 1, 2 or 3 Stöße , a pig equals 1 ⁄ 4 , a goat or a sheep is 1 ...
Each square foot of turf contains about 3 kg (7 lb) of sand and 1.5 kg (3 lb) of cryogenic rubber. FieldTurf does not use shock-absorbency pads below its infill. The backing of the turf is a combination of woven and nonwoven polypropylene. These materials are permeable and allow water to drain through the backing itself. [8]
Artificial turf with rubber crumb infill Side view of artificial turf Diagram of the structure of modern artificial turf Artificial turf square mats. Artificial turf is a surface of synthetic fibers made to look like natural grass, used in sports arenas, residential lawns and commercial applications that traditionally use grass.
Golf course turf is the grass covering golf courses, which is used as a playing surface in the sport of golf. The grass is usually maintained by a greenskeeper to control weeds, insects with pesticides , plant fungal diseases with fungicides and to introduce nutrients such as nitrogen fertilization .