Overseeding
there is any doubt, then the material ought to be screened on site to remove any unsuitable lumps or impurities. This should continue until the bottom of the loam layer has been reached. The last cut, where loam and existing soil meet, can be disposed of on site. All clean excavated loam needs to be stored to one side on site for re use.
When the bottom or ‘formation’ level has been reached, the action of the blades can create a ‘polished’ surface which could represent a new form of compaction pan unless addressed at this stage. By breaking up this compaction with a scarifier, or changing the blades to linear aeration on the Koro or GKB, we can avoid any future layering issues at this depth.
Drill ‘n’ Fill in operation at Trent Bridge
A very useful addition to the soil amelioration process can be the use of the deep drill. It is at this stage that the process can be most useful, although the option exists for drilling through the profile once the operation is nearly complete. For now, let’s consider the action whilst the formation layer is exposed, as this can create a link between this level and the new mixed loam above. The drills basically penetrate as far down as is required to a great depth (easily more than a metre if ground conditions allow), and these form deep set anchors to the main loam formation. This method has been widely used since its early adoption to cure problems at the Test Match ground at Trent Bridge in 2003, when a similar operation was
carried out. Here, the vertical lines of loam acted as pins to hold the profile together, with the loam literally being hand fed into the apertures created. It can be a highly effective addition to any major renovation or reconstruction scheme in cricket. With the base in a state to receieve the new material, a mix of our excavated loam and the fresh loam can be loaded to spreader and spread along the base to create an even layer. Having worked this mix into the deep drill holes, this can be even more effective. By judicious heeling, an even consolidation can be achieved in each layer until the final consolidation takes place, with the finished level slightly proud of the existing surface (by between 10-20mm) to allow for extra
Root break in your square?
Thatchy, spongy surfaces? Shallow, weak rooting? Inconsistent bounce? Layered and fractured loams?
Overcome all these problems by using the approved Drill n Fill and Deep Drill 60/18 aerators available from Ecosol Turfcare
From county ground to village green, we have the specialist equipment and knowledge to provide the solution to your particular problem.
Ecosolve Ltd Armyn Cross, Malmesbury, Wilts SN16 9RJ Tel: 01666 861250 email:
info@ecosolve.co.uk www.ecosolve.co.uk
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Call us today to fi nd out more about our contract aeration, scarifi cation, Koro, laser grading and outfi eld services
01666 861250
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