AI [4] : Advanced Intelligence.

  ALARP : As Low As Reasonably Practicable.

  AM : Arbuscular Mycorrhiza. Also called Endomycorrhiza.

  AMG : Annual Meadow Grass.

  AMP : Adenosine Monophosphate.

  API : Association of Play Industries; the trade body which represents the UK play sector.

  ARROW : Aims, Reality, Reflections, Options, Way forward.

  ART : Attention Restorative Theory.

  ASA : American Society of Agronomy.

  ASGCA : American Society of Golf Course Architects.

  ASOOTY : Amenity Sprayer Operator of the Year award, which is managed by the Amenity Forum.

  ASSB : Adams and Stewart Soil Binding Test, more informally referred to as a Motty test.

  ASTM : American Society of Testing and Materials.

  ASTMA : Australian Sports Turf Managers Association.

  ATP : Adenosine Triphosphate.

  AW : All Weather. This acronym is primarily used for horse-racing tracks.

  AWC : Available Water Capacity.

  BAFA : British American Football Association.

  BAGMA : British Agricultural and Garden Machinery Association.

  BALI : British Association of Landscape Industries.