Where an acronym is used for an organisation then this will appear in the Organisations section.

  CWIN : Cold Water Insoluble Nitrogen.

  CWSN : Cold Water Soluble Nitrogen.

  DCD : Dicyandiamide, a nitrification inhibitor which slows the release of the Nitrogen fertiliser.

  DDAC : DiDecyldimethylAmmonium Chloride (a biocidal active ingredient).

  DE : Diatomaceous Earth.

  DEL : Directly Employed Labour.

  DERV : Diesel-Engined Road Vehicle fuel.

  DFF : Diflufenican.

  DLI : Daily Light Integral.

  DLO : Direct Labour Organisation.

  DMPP : 3,4-dimethylpyrazole phosphate, a nitrification inhibitor.

  DP : Dispersible powder.

  DPA : Data Protection Act (2018).

  DRT : Drift Reduction Technology.

  DSEAR : Dangerous Substances and Explosive Atmospheres Regulations 2002.

  DSO : Direct Service Organisation.

  DSS : Decision Support System.

  DUS : Distinctness, Uniformity and Stability.

  EAMU : Extension of Authorisation for Minor Use.

  EC [1] : Electrical Conductivity.