To advertise in this section contact Classifieds
Peter Britton on 01747 855335 email:
peter@pitchcare.com
ENGINES & SPARE PARTS THE ENGINE SPECIALISTS HANCOX
A complete line of premium power petrol and diesel engines
DIRECT SALES SERVICE - order today and receive your goods within 24 hrs
Tel: 01564 824343 Email:
sales@hancox.co.uk
View parts or replacement engines online at WWW.HANCOX.CO.UK FERTILISERS & CHEMICALS Figure 1 IRRIGATION SPECIALISTS
Unique solutions for turf and horticulture. • Natural Organics • Fertilisers • Micronutrients
Call 05600 758784
info@growthproducts.co.uk
Growth Products = Growth Solutions GOLF COURSE DESIGN
gaunt golf
Grundfos Pumps produce over 10 million pumps per year and provide pumping solutions for all applications in 71 countries Worldwide.
Tel: 01525 775450 design
international golf course architects
The Workshops, Monyash Road, Bakewell, Derbyshire, DE45 1FG, United Kingdom Tel: +44 (0) 1629 815423 Fax: +44 (0) 1629 814986 SkypeIn: +44 (0) 161 408 5423 Email:
jonathan@gaunt-golf-design.com Web:
www.gaunt-golf-design.com
Senior Member of the European Institute of Golf Course Architects since 1997
The ONE STOP SHOP for all your landscape irrigation needs
Email:
uk_sales@grundfos.com www.grundfos.co.uk
DESIGN & SUPPLY INSTALLATION MAINTENANCE
Tel. 01722 716361
www.mjabbott.co.uk
By Steve Prinn MSc and Dan Prest BSc (Hons), Askham Bryan College
R
ubber crumb top dressing has been used for many years on a wide variety of
sports surfaces. The crumb has been found to have some benefits in improving turf resiliency and wear tolerance, but the main function of the crumb is for protection. The crown of the grass plant is susceptible to damage; this can be caused by direct injury, boot studs, spikes or shoe soles and also as an indirect cause from abrasion, caused by sand topdressing damaging the crown, again through the interaction of the footwear to the surface. The crown of the plant is the
area from where the soft grass tissue, (roots, stolons, rhizomes and leaves) is regenerated. Damage to this part of the grass plant can directly impact on the grass’s ability for growth and regeneration.
GOLF COURSE SUPPLIES
From Tools & Turfcare to Markers & Maintenance Quality Course Signage & Personalised Club Supplies
Oakland Amenity Tel: 07810 883 434
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96
NO NEED TO SPLASH OUT Call Lely: 01480 226858 or
email:
irrigation.uk@
lely.com www.toro.com
Call now for your free catalogue
Tel. 0845 230 9697
www.lws.uk.com
Irrigation
The application of the rubber crumb material is a process which should be familiar to all greenkeepers and groundsmen and comprises five steps:
• Hollow tine the area
• Spread the rubber crumb on the surface
• Brush in • Overseed and allow to grow
• Repeat application after 3 weeks until desired rate is applied.
Suppliers recommend initial application rates of 6kg/m2
in order to
see an increase in turf cover after trafficking. Rubber crumb will not move
and
it has been stated that application rates do need to be excess of 3.1kg/m2
through the soil profile due to the crumb being lighter or having a lower particle density. However, if the crumb is not “moving” through the soil profile it can still be moved away from the crown of the plant due to the interaction between the players/users and surface. As well as this movement, rubber is susceptible to ageing; the structure is gradually decomposed due to the UV radiation and the oxidisation process. One side effect of this decomposition is the release of zinc, and several studies have reported on the higher levels of zinc in both the soil and ground water following the application of rubber crumb. It was also found that, at higher zinc levels, reduced growth was observed when measured by clipping yield, although this may possibly be negated, as it is possible to wash fine particles from the crumb rubber and greatly reduce the release of zinc.
The application amounts are similar to a typical topdressing programme of between 4-6 kg/m2
dressing of sandy /year. The difference is, of
course, in the nature of the material being applied. It may be considered one thing to apply a 6kg/m2
material and quite another to apply 6kg/m2
every two years or so as is recommended.
Materials and Methods
In 2000 a study at Askham Bryan College into turf wear tolerance using various soil amendments was carried out on the football pitch. Trial plots were established in the 18 yard box. Five of these plots were incorporated with rubber crumb,
of rubber crumb IRRIGATION GRASS CUTTING MACHINERY
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RUBBER CRUMB migration in sports surfaces
Tel: 01933 652235
info@trimaxmowers.co.uk www.trimaxmowers.com
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