Kiserian,Kenya
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July 6, 2023
Farmers Onion Farming

Onion Farming in Kenya: How to store onions after harvesting.


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Post-Harvest handling can lead to either producing high quality onions or making total losses. To avoid losses, here are some guidelines for onion storage:

  • Curing: After harvesting onions, it's important to cure them before storage. Curing helps to dry out the outer layers of the onions and promotes better storage. Lay the harvested onions in a single layer in a well-ventilated and shaded area for about two to three weeks. Avoid exposing the onions to direct sunlight, as this can cause them to deteriorate.( refer to the cover photo)
  • Cleaning: Once the onions are properly cured, remove any excess soil or dirt by gently brushing or shaking them. Avoid washing the onions, as moisture can lead to spoilage during storage.
  •  Bulb Selection: Prioritize storing onions that are undamaged and free from cuts, bruises, or disease. Damaged onions are more prone to spoilage and can affect the quality of the surrounding onions during storage.
  • Storage Conditions: Onions should be stored in a cool, dry, and well-ventilated area.  
  • Regular Monitoring: Regularly check the stored onions for any signs of rot, mold, or sprouting. Remove any spoiled onions promptly to prevent the spread of deterioration.
  • Proper Handling: When handling stored onions, do so gently to minimize bruising or damage. Rough handling can increase the chances of spoilage.
  • Storage Containers: Use mesh bags, wooden crates, or well-ventilated containers for onion storage. These containers allow for airflow and help prevent moisture buildup. Avoid using plastic bags or airtight containers, as they can trap moisture and promote spoilage.


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