The Groundsman

June 2015

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Visit www.iog.org for more information and digital editions £6.97 £78.90 £244.81 £53.72 £29.65 £66.20 £89.35 £26.66 £68.08 £14.32 £5.37 £12.75 £696.77 Recycled Rain Water Saving IOG BEST PRACTICE 16 the Groundsman June 2015 "So, this year's renovation will involve very heavy scarifying (to eliminate the meadow grass) and verti-draining before the application of 90-150 tonnes of sand then, two weeks later, the use of the A2G2 Airblaster ("another fantastic machine) that will inject air down to 12inches. This will be repeated four weeks later, after which I'll apply the necessary seaweeds and sugars, then 'sit back' and watch the grass (Rigby Taylor R140 tetraploid) grow." Complementing these procedures, Stewart says he will also apply Carbon Gold's enriched biochar soil improver – "this not only helps the subsurface hold onto the water and nutrient but it also creates a 'five-star' hotel for beneficial soil bacteria and fungi – alongside a cocktail of organic treatments including compost tea with fungal additive and, perhaps, a measure of horse manure. He notes that the use of the biochar, a form of horticultural charcoal does encourage nematodes: "But there are good and bad nematodes, and the idea is to create an environment where there are more good ones than bad!" Koroing will not be employed this season. "Everything I'm doing is all about 'feeding' the grass and the top layer, so I don't want to be too severe with the end-of- season renovations and undo what I've got." If in doubt, do nowt Despite his beliefs, Stewart realises that it is impossible to be 100 per cent organic in terms of pitch maintenance, not least due to some of the equipment used (fuel): "When we started this journey we achieved an organic level of around 60 per cent; today we are at around 90 per cent. We will, however, keep pushing, working towards doing everything on the pitch in the most sustainable way." He adds that the best thing for grass ("for any plant for that matter") is a mixture of good food, sun and water, and he suggests that proficient groundsmanship is about knowing what to do and when to do it. "Sometimes it is better to do nothing," he says. "One of the best pieces of advice I was given was 'if in doubt, do nowt'. The New Lawn pitch will be heavily scarified this summer New Lawn's pitch water usage 2013-14 Mains Water Usage 0.000 779.673 1609.401 586.263 347.762 1.036 0.000 0.000 0.000 0.000 109.541 408.646 3842.323 May June July August September October November December January February March April Total 5.127 58.013 180.008 39.501 21.800 48.676 65.698 19.600 50.056 10.532 3.946 9.375 512.332 5.127 837.686 1789.409 625.764 369.562 49.712 65.698 19.600 50.056 10.532 113.487 418.021 4354.655 £0.00 £1,060.36 £2,188.78 £797.32 £472.96 £1.41 £0.00 £0.00 £0.00 £0.00 £148.98 £555.76 £5,225.56 Recycled Rain water Total Usage Main Water Costs Months 108.0 80.0 134.0 144.0 49.0 129.0 172.0 58.0 140.0 67.0 16.0 64.0 1161.0 Rainfall Figures 0.0 174.9 322.2 102.7 38.2 5.3 1.5 0.0 0.0 0.0 5.4 75.5 725.7 Irrigation Figures 47.47222222 61.97970085 394.5724651 160.1205258 249.9397386 362.488127 381.9651163 337.9310345 357.5428571 157.1940299 246.625 146.484375 250.7118925 L / 1mm of rain - drainage capacity TOTAL USED FROM MAINS WATER 3842.323 M3 £5,225.56 TOTAL VALUE TOTAL RECYCLED FROM PITCH 512.332 M3 £696.77

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