Knapsack Sprayer

A manually operated sprayer, which consists of a handheld lance connected to a container, typically with a volume of 10 to 20 litres for the holding of a diluted chemical. The lance may either have a single nozzle attached or may have several nozzles attached to an extended lance attachment. The container is pressurised by a hand lever operated pump, all of which is carried on an individual's back and attached to them by means of a harness.

  Knapsack Sprayer Calibration

Knapsack Sprayer Calibration To ensure the correct amount of pesticide is applied to an area the knapsack must be calibrated in the first place. Before spraying though make sure that the problem has been correctly identified so that the correct material is to be used, confirm that the problem is at the pre-set threshold for control, or is likely to reach it shortly (check your IPM plan), and also confirm that chemical control is the last and most appropriate action to take to control the problem. There is something else which still needs to be carried out before calibration can commence an

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  Koro-ing

A name given after the originator of the fraise mowing renovation practice on natural and later on the reinforced-synthetic bladed (hybrid) surfaces.

  Landscape Rake

A long handled tool with a double-sided head: one side being a long metal strip for smoothing soil surfaces, or working in top-dressing to small areas, whilst the other side with metal teeth is primarily used for loosening soil and moving it around.

  Lawn Mower

A machine or equipment which is used to cut lawns. Typically, this would refer to mowers which are used for domestic garden lawns, rather than larger amenity grass or sports turf surfaces (for these other areas they are just often referred to as Mowers). There is a vast number of lawn mowers available, often being changed on a yearly basis with new features being added by manufacturers, creating new models and no longer producing last year's model; all with an aim of trying to improve sales and their market share.

  Lawn Sand

A traditional mixture of ammonium sulphate, iron sulphate, and a fine sand that is applied to finer, short turf to help control weeds and moss. Typical ratios of the materials would be 3:1:20 (for weeds such as trefoils/clovers, pearlwort and yarrow) and 3:1:10 (for moss); being applied at around 140 grams per square metre.

  Lay Out

To put out sports equipment ready for setting up / erecting for a game. The equipment is laid out at one side, in anticipation of maintenance works being completed ready for final positioning and setting up of the equipment.

  Let Fly

Not boxing off grass clippings and letting them fly and allowing them to be returned to the turf surface. Find out more under Returned Clippings.

  Levelling [1]

The process of making a surface even. This can be achieved by either the Cut and Fill Technique, or Strip and Replace Technique: See Grading. For small areas of lawn that have a hollow present which needs levelling, then a typical technique which is used is to cut the turf into strips, roll it back, fork over the base, fill the hollow with a suitable topsoil, and refirm the area so as to produce a suitable level for the surface. Finally, the turf is then relaid. Relevelling a small hollow in a lawn Cut out area that is to be lifted using an edging iron so that the turf can be relaid

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  Levelling [2]

The use of equipment to determine the relative heights of an area of land. This then provides the required information for levelling the piece of land.