Cutting sweet potatoes in advance is a great way to meal-prep your way to an easier weeknight dinner. Sweet potatoes need about 12 weeks of good warm weather to grow and produce good sized tubers. The ideal conditions for stored potatoes mimic conditions underground – temperatures from 45 to 55°F (7 to 13°C), with high humidity and some circulation of air. The common ones include pit, clamp, and indoor storage and all extend the storage time of sweet potatoes by some degree. Sweet potatoes form a dense green ground cover, thriving in hot summer conditions. Granaries or other storage buildings typically consist of a round hut with walls made of straw, mud, clay and wood and a conical straw roof. Dig in autumn when the soil is still warm. Two common sources of infection are from Rhizopus oryzae (soft rot) and Botryodiplodia (Java black rot). Lay out the tubers carefully and let them dry for 10 days to 2 weeks in a warm location with high humidity. Specialized Refrigeration. Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. , The length of time that sweet potatoes may be stored is highly dependent on temperature and relative humidity.  While less common, simple methods of storage do exist. The most commonly used are pit storage, clamp storage and indoor storage.  In home storage is typically done in straw woven baskets, cloth bags or wooden boxes. 1993.  Soil is used to seal the roof of the pit and as filler. Out of the fridge If a fruit grew in the tropics then you can happily assume it won't like the cold. Ever since I was a little girl digging sweet potatoes has been one of my favorite garden chores. , The majority of subsistence farmers who eat sweet potato do not utilize a storage technique of any kind, instead using a method of continuous cultivation and leaving the tubers in the ground until they are ready to be used. English Language Book Society and John Wiley and Sons.  These are commonly supported above ground by a system of legs to keep the crop dry and away from animals, rodents and pests. Red sweet potatoes … For curing, you need: about 10 days; an area with a temperature of 80-85 F (27-29 C) and with high relative humidity; For storing, you … Slice, dice or bake whole, just like potatoes. sweet potato slips (one sweet potato can grow multiple slips) large pot or a space in the garden; potting soil or homemade potting medium; compost; water; seaweed fertiliser (optional). Curing will further toughen up their skin and it will help heal any small cuts and bruises.  However, it is a highly perishable food source that is susceptible to destruction by microorganisms, metabolic spoilage, physical destruction and pests. In: Seminaire-atelier sur la production, la conservation, la transformation et l'utilisation des racines et tubercules; UNICEF-IWACU, 8–12 February, Kigali, Rwanda, Ramirez P. (1992). In: Roots, tubers, plantains and bananas in animal feeding. As a result, refrigerated sweet potatoes can remain hard in the middle and take longer to cook. Open your plastic bags of curing sweet potatoes after 10 days.  Formation of hard areas also occurs that remain even after cooking.  Relative humidity under 80% will cause excessive water loss while RH above 90% will cause condensation to form, which accelerates rotting. Store-bought sweet potatoes work perfectly well and growing them is simple. Storing cut sweet potatoes without water. (Eds Machin, D.; Nyvold, S.), Proceedings of the FAO Expert Consultation held in CIAT, Cali, Colombia 21–25 January 1991; FAO Animal Production and Health Paper - 95, Karuri, E.G. These are responsible for 78% of sweet potato infections in Bangladesh.  There are numerous disadvantages to this method as it takes up field space that could otherwise be used for growing more crops.. , Pretreatment of sweet potato can help to minimize risk of losses. , Drying of tubers is done on those that are too damaged to be stored fresh but still have edible material on them.  Dried slices can be kept in-doors or in raised silos until eaten. Cultivation harvesting and storage of sweet potato products. To cure the potatoes indoors, store them near the furnace, packed in boxes covered with a cloth to enhance humidity. Stack the wrapped sweet potatoes in a cardboard or wooden box of your choosing (or one that allows aeration), without a lid, and place it in a basement or other room where the temperature is as close to 55-60 degrees as possible, for 6 weeks. Sweet potato in the farming and food systems of Uganda.  Damage to tuber by physical and physiological means can increase chance of pathological infection and pests. They have a much shorter growing season in temperate climates, but can still be grown successfully during the hot, South Australian summers.  Respiration also continues to occur after harvesting and a buildup of CO2 around the crop can cause early spoilage.