Where an acronym is used for an organisation then this will appear in the Organisations section.
NID : National Intermediate Diploma (in Turfculture).
NMP : Nutrient Management Planning.
NPC : National Practical Certificate.
NPPF : National Planning Policy Framework.
NPTC : National Proficiency Tests Council.
NQF : National Qualifications Framework.
NSTS : National Sprayer Testing Scheme.
NTC : National Technical Certificate.
NTEP : National Turfgrass Evaluation Programme (of the USA).
NTP : Natural Turf Pitch.
NVC : National Vegetation Classification.
NVQ : National Vocational Qualification.
O&M : Operations and Maintenance manual.
ODI : One Day International (cricket) match.
OES : Occupational Exposure Standard.
OLA [2] : Off-Label Approval.
OOB : Out of Bounds.
OPC : Operator Presence Control bar or lever.
OSCAR : Outcome, Situation, Choice and consequences, Actions, Review.
OSKAR : Outcome, Scaling, Know How & Resources, Affirm and Action, Review.