The Groundsman

May 2015

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MAINTENANCE CALENDAR 46 the Groundsman May 2015 Visit www.iog.org for more information and digital editions JUNE OPERATIONS Bowling greens • By now the greens should be producing a very good playing surface. • Verticut and groom regularly to help control annual meadow grass seed head production and to produce a more upright growing grass sward. This in turn will also help to provide a slightly faster surface without the need to reduce the height of cut. • Maintain growth at 5 mm, typically mowing four or five times per week. • Localised Dry Patch may start to appear this month, however, this condition should not be confused with a poorly developed root system which will also produce a rapid browning and drying of the surface. • Aeration should not be neglected. Cricket square • Use the verticutter and scarifier to continue in thatch r emoval and prevention of thatch build-up. • Weed growth may be a problem due to the weather in May, so consider a selective herbicide application. • A light nitrogen fertiliser application may be required towards the end of the month. • Immediately a game is finished try and carry out any minor repairs. Cricket outfield • This should be mowed on a regular basis [usually once per week], with a ride on/pedestrian cylinder mower if possible. Clippings should be collected and r emoved if possible; this will create an aesthetic value. Check outfield for broad/narrow leaved weeds and control if required using an approved selective herbicide. The application of herbicide must be carried out when active growth is present and ground and climatic conditions are favourable. Repair any worn/damaged areas as soon as possible. Football • Make sure any end of season renovation work that was carried out in May is pr operly maintained. • Important maintenance that will need to be undertaken will include: - Regular irrigation, wherever possible, to help the grass establish adequately; - A light nitrogen fertiliser application to maintain sward thickening; - Oversowing of any areas which look like they aren't thickening up quickly enough; - Mow regularly to prevent perennial ryegrass flower stalks from initiating, otherwise this will lead to a thinning of the sward; - Lightly topdress any uneven areas; • Wherever possible try and keep people and animals off the renovated areas,as this all helps in the recovery process. Golf courses Some top courses would have been on television scr eens by now and golfers will invariably be expecting their own greens to be above the normal standards. • Maybe now is the time to consider including a brief appraisal for a 'greens' report indicating some improvements which might like to be considered. This would probably be prepared and taken up in more detail after the summer because of time constraints. • Mowing will most likely be the main task carried out this month, but don't forget other tasks such as: - Divoting of a couple of fairways; - Regular raking of bunkers - maybe partial raking one day and then a total rake the next - it all depends on sand disturbance!; - Divoting of tees and regular moving of the tee blocks/boxes to spread wear; - Herbicide application to fairways may be considered if weed growth is a problem; don't wait until the soil is too dry. Horse racecourses • Routine maintenance work over the summer months will include the following: - artificial irrigation will be mor e frequent to produce a suitable firmness of ground for the day of a race meeting, - a liquid nitrogen fertiliser may be considered in June for the home straight, show paddock and ornamental lawns around the grandstand area. Alternatively, the whole of the racecourse might be treated to a light nitrogen application, - continue to divot and repair after each meeting, - weed control may be required, especially if none was carried out in May. • Continue to mow regularly, with this operation forming a significant part of total work input. • Do not neglect mowing on courses that are rested over the summer. Rugby Union • The end of season renovation should ideally be completed by now. • Post-renovation work will include: - artificial irrigation, if inadequate rainfall occurs, to aid grass seed growth and establishment, - a light topping of the new sward, being careful not to cut too closely, - a light rolling of some areas may also be required to refirm the contact between newly germinated and establishing seeds and the soil profile, - "Keep off the grass" signs might be erected - well for players and the general public anyhow! Rugby League • Constant cutting would be advised to thicken up the swar d and crate effect, also generally cut no lower than 20-25mm as to create cover for play. • Irrigate if possible. • Scarify in numerous directions if possible to help remove the poa annua. • Overseeding may be required. Try not to cut corners with cost as this will affect the percentage of germination. • Make sure markings are bright and consistent to give full aesthetic effect. • Spray for weeds if required. • On the amateur side, if a renovation was completed then a light topping off of the sward maybe needed. Tennis • Roll if there is still a suitable amount of moistur e within the soil profile. Avoid rolling if there has been a prolonged dry spell, otherwise there is a good chance that the soil surface will crack and crumble. • Check nets and winding gears regularly to ensure they are in a satisfactory condition. • If there are any special events held during June then additional brushing and mowing may be carried out to increase presentational quality. • Verticut and groom regularly, but care needs to be taken around renovated areas, with the blades probably needing to be raised over these areas.

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