Storage
This article was republished from a 1999 article in Top Crop Manager.The basic principles of potato storage have not changed much over the years. The computer age has allowed growers to more precisely control their humidity and ventilation operations, but the need to minimize disease, cool the pile, reduce shrinkage and…
It’s not about how you start, it’s how you finish – and this potato season is not over yet. Canadian potato producers endured a tough harvest season, especially Prairie and east coast producers who were faced with abnormally cold wet weather that delayed harvest until early November.
Lorraine MacKinnon, PEI potato industry coordinator with the Department of Agriculture and Fisheries, says it’s not a nice position to be in now to start contemplating potential issues going forward with storage after a difficult harvest. MacKinnon created a checklist for producers to use during their daily warehouse visits that…
Prairie and east coast potato producers endured a prolonged harvest of excessive rain and cold temperatures. After a difficult harvest, it’s time to look ahead to the storage season.
A detailed understanding of the psychrometric chart can be an excellent tool in understanding water, air and vapour relationships.
After a final holding temperature is achieved in storage, it is important to ventilate properly in order to manage the byproducts of respiration, ensure a uniform temperature and an ideal environment for the duration of the storage period, which will maximize the value of the crop.
What potato grower wouldn’t want to add dollars to their bottom line? By reducing the bruising that occurs during harvest by one percent, thousands of dollars could be added to the bank, according to research completed at the University of Maine. The solution is to minimize the potential for bruising…
Just because a disease cannot be seen on a potato does not mean it is not there. It is the unseen spores that can cause havoc in long-term storage and require early shipping or the worst-case scenario: the loss of the entire bin. What if a test could be done…
Usually wet seasons favour crop development, but incidence of storage rots is a concern, especially if rainfall occurs late in the growing season, advises Eugenia Banks, Ontario potato specialist.

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