نتایج جستجو برای: turf grass quality

تعداد نتایج: 773323  

Journal: :British journal of sports medicine 2007
Colin W Fuller Randall W Dick Jill Corlette Rosemary Schmalz

OBJECTIVE To compare the incidence, nature, severity and cause of match injuries sustained on grass and new generation artificial turf by male and female footballers. METHODS The National Collegiate Athletic Association Injury Surveillance System was used for a two-season (August to December) prospective study of American college and university football teams (2005 season: men 52 teams, women...

Journal: :British journal of sports medicine 2007
Colin W Fuller Randall W Dick Jill Corlette Rosemary Schmalz

OBJECTIVE To compare the incidence, nature, severity and cause of training injuries sustained on new generation artificial turf and grass by male and female footballers. METHODS The National Collegiate Athletic Association Injury Surveillance System was used for a two-season (August to December) prospective study involving American college and university football teams (2005 season: men 52 te...

2016
Ghazi N. AL-KARAKI

Turf grasses are considered an integral part of landscape ecological systems worldwide which provide functional, recreational and aesthetic benefits to society and the environment. In arid and semiarid regions (e.g., Mediterranean region), turf grass is usually grown under harsh and unfavorable growing conditions with low rainfall and high rates of evapotranspiration as well as in soils with nu...

Journal: :British journal of sports medicine 2006
J Ekstrand T Timpka M Hägglund

OBJECTIVE To compare injury risk in elite football played on artificial turf compared with natural grass. DESIGN Prospective two-cohort study. SETTING Male European elite football leagues. PARTICIPANTS 290 players from 10 elite European clubs that had installed third-generation artificial turf surfaces in 2003-4, and 202 players from the Swedish Premier League acting as a control group. ...

Journal: :Bioresource technology 2012
Suwat Suwannoppadol Goen Ho Ralf Cord-Ruwisch

This study aims to investigate thermophilic methanogens in turf used as an inoculum. Results showed that Methanoculleus sp. regarded as hydrogenotrophic and Methanosarcina sp. regarded as acetoclastic methanogens were present in turf tested. However, active acetoclastic methanogens were present in turf soil only. The current study showed that thermophilic methanogens were present in various tur...

Journal: :British journal of sports medicine 2007
Kathrin Steffen Thor Einar Andersen Roald Bahr

BACKGROUND Artificial turf is becoming increasingly popular, although the risk of injury on newer generations of turf is unknown. AIM To investigate the risk of injury on artificial turf compared with natural grass among young female football players. STUDY DESIGN Prospective cohort study. METHODS 2020 players from 109 teams (mean (SD) 15.4 (0.8) years) participated in the study during th...

2012

Weeds are commonly found in bermudagrass turf during the winter and early spring throughout the Southeastern United States whether this turf is used for lawns, parks, athletic fields or golf courses. Mild winter temperatures favor rapid growth of these annuals. When bermudagrass goes dormant in the fall after the first killing frost, it does not compete with germinating winter weeds. Bermudagra...

2010
Stephen Horn

This project focuses on how agricultural land cover has changed over time in comparison to developed and turf/grass land cover areas. This was done for two areas, the State of Connecticut and the area of Hartford County, Connecticut. This project defines specific areas in which agricultural land cover have changed to another type of land cover between the years 1985 and 2006. Changes to develop...

Journal: :Journal of toxicology and environmental health. Part A 2011
Nancy J Simcox Anne Bracker Gary Ginsberg Brian Toal Brian Golembiewski Tara Kurland Curtis Hedman

The primary purpose of this study was to characterize the concentrations of volatile organic compounds (VOC), semivolatile organic compounds (SVOC), rubber-related chemicals such as benzothiazole (BZT) and nitrosamine, and particulate matter (PM(10)) in air at synthetic turf crumb rubber fields. Both new and older fields were evaluated under conditions of active use. Three types of fields were ...

Journal: :Scandinavian journal of medicine & science in sports 2012
T Soligard R Bahr T E Andersen

The aim of this prospective cohort study was to investigate the risk of acute injuries among youth male and female footballers playing on third-generation artificial turf compared with grass. Over 60,000 players 13-19 years of age were followed in four consecutive Norway Cup tournaments from 2005 to 2008. Injuries were recorded prospectively by the team coaches throughout each tournament. The o...

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