Dates & locations

Please click on the location and trainer name links for further details.

Course details

Best practice onion storage
Designed for
Individuals who wish to optimise storage of onions.
Entry requirement
Accomplished practitioner
Dates and locations
28 February 2024
£215 + VAT
One day virtual course
CPD points
8 BASIS and 5 NRoSO
Andy Richardson, Managing Director, Allium and Brassica Agronomy

Classroom module 1 (half day):

Harvest management

  • Use of sprout suppressants
  • Optimum harvest timing
  • Harvest strategy to maximise yield and quality

Store design and function

  • Basic store design
  • How to size fans, heaters, louvres, plenums and drying floors/walls
  • The importance of airflow and how/where to measure it
  • Pros and cons of drying in bulk or bins

Visit to local onion stores – box and bulk

Classroom module 2 (half day):

Store management

  • Identification of common storage diseases/physiological issues and their economic importance.
  • Forecasting, detecting and monitoring storage diseases
  • Drying, curing and cooling to optimise skin colour and retention and minimise defects
  • Long term storage – refrigeration, controlled atmosphere and ethylene

Trainers are accredited by ARTIS

Participants receive an ARTIS Accredited Certificate