Podcast
Questions and Answers
What is one benefit of higher altitude for storage facilities?
What is one benefit of higher altitude for storage facilities?
- Higher humidity levels improve storage
- Greater oxygen levels support crop respiration
- Increased atmospheric pressure aids in preservation
- Lower air temperatures enhance cooling methods (correct)
Which crop is typically stored in caves in Northwest China?
Which crop is typically stored in caves in Northwest China?
- Garlic
- Apples (correct)
- Citrus fruits
- Onions
What type of environment is generally preferable for curing onions and garlic?
What type of environment is generally preferable for curing onions and garlic?
- High humidity environment
- Cold environment with ice
- Low relative humidity environment (correct)
- Dark enclosed space with moisture
What is a common method for manipulating air composition in storage?
What is a common method for manipulating air composition in storage?
Which of the following statements about cold rooms is false?
Which of the following statements about cold rooms is false?
Which material has the highest R-value per inch thickness among the listed options?
Which material has the highest R-value per inch thickness among the listed options?
Which insulating material has the same R-value as fiberglass when measured at 1 inch thickness?
Which insulating material has the same R-value as fiberglass when measured at 1 inch thickness?
What is the R-value of an 8-inch concrete block with vermiculite in its core?
What is the R-value of an 8-inch concrete block with vermiculite in its core?
Which of the following insulation types has a lower R-value than wood or cane fiber board?
Which of the following insulation types has a lower R-value than wood or cane fiber board?
Among the following types of insulation, which one has an R-value range and is not a fill-type material?
Among the following types of insulation, which one has an R-value range and is not a fill-type material?
Which fruit requires the longest time to store based on the provided information?
Which fruit requires the longest time to store based on the provided information?
Which of the following vegetables can be injured by one light freezing?
Which of the following vegetables can be injured by one light freezing?
What is the storage duration for strawberries?
What is the storage duration for strawberries?
Which vegetable has the shortest storage time?
Which vegetable has the shortest storage time?
Which fruit has a storage temperature of 45-55°F?
Which fruit has a storage temperature of 45-55°F?
Which of these fruits can be stored for about two months?
Which of these fruits can be stored for about two months?
How long can potatoes from the early crop be stored?
How long can potatoes from the early crop be stored?
What is the freezing injury susceptibility of blueberries?
What is the freezing injury susceptibility of blueberries?
What is the maximum storage temperature for peppers, sweet?
What is the maximum storage temperature for peppers, sweet?
Which vegetable requires a storage temperature range of 32-34°F?
Which vegetable requires a storage temperature range of 32-34°F?
What is the typical storage duration for Jaffa oranges?
What is the typical storage duration for Jaffa oranges?
Which of the following fruits has a storage temperature requirement of 55-60°F?
Which of the following fruits has a storage temperature requirement of 55-60°F?
What is the minimum storage temperature for grapes, Vinifera?
What is the minimum storage temperature for grapes, Vinifera?
How long can you store fresh mushrooms?
How long can you store fresh mushrooms?
Which vegetable has the longest storage duration at 10-12 months?
Which vegetable has the longest storage duration at 10-12 months?
What is the storage temperature range for Jackfruit?
What is the storage temperature range for Jackfruit?
Which of the following has the shortest storage duration?
Which of the following has the shortest storage duration?
What temperature is ideal for storing leafy greens?
What temperature is ideal for storing leafy greens?
For how long can Kiwifruit be stored?
For how long can Kiwifruit be stored?
What is the optimal storage temperature for limes?
What is the optimal storage temperature for limes?
What is the approximate storage life of artichokes, globe?
What is the approximate storage life of artichokes, globe?
Which vegetable has the longest approximate storage life among the options?
Which vegetable has the longest approximate storage life among the options?
At what temperature should blackberries be stored?
At what temperature should blackberries be stored?
What is the relative humidity requirement for storing green bananas?
What is the relative humidity requirement for storing green bananas?
Which of the following fruits can be stored at the highest temperature?
Which of the following fruits can be stored at the highest temperature?
What is the approximate storage life of baby carrots?
What is the approximate storage life of baby carrots?
Which of the following has the shortest storage life?
Which of the following has the shortest storage life?
How long can sweet corn be stored under the right conditions?
How long can sweet corn be stored under the right conditions?
Which storage condition is necessary for Brussels sprouts?
Which storage condition is necessary for Brussels sprouts?
At what relative humidity should celery be stored?
At what relative humidity should celery be stored?
Which product has a relative humidity requirement of 90-95%?
Which product has a relative humidity requirement of 90-95%?
What temperature range is appropriate for storing Atemoya?
What temperature range is appropriate for storing Atemoya?
How long can fresh figs be stored?
How long can fresh figs be stored?
Which of the following vegetables can be stored for approximately 34 weeks?
Which of the following vegetables can be stored for approximately 34 weeks?
Which fruit requires the highest humidity level during storage?
Which fruit requires the highest humidity level during storage?
Study Notes
Storage Environment
- Higher altitudes can improve the effectiveness of evaporative, night, and radiant cooling due to the drop in air temperature with altitude.
- Underground storage is a common practice, with citrus stored in caves in Southern China and apples in caves in Northwest China.
- The air composition in storage environments can be altered by adjusting the rate of ventilation or utilizing gas absorbers like potassium permanganate and activated charcoal.
Storage Options
- Cold rooms are an effective storage solution but can be expensive.
- Small-scale operators can choose to construct cold rooms themselves, purchase prefabricated units (new or used), or adapt refrigerated transport equipment like railway cars, vans, or marine containers.
Recommended Storage Conditions
- The table provides recommended storage temperatures and relative humidity for various fruits and vegetables, along with their approximate storage life.
Susceptibility to Freezing Injury
- Several fruits and vegetables, including apricots, asparagus, avocados, bananas, beans, berries, cucumbers, eggplants, lemons, lettuce, limes, okra, peaches, peppers, plums, potatoes, squash, sweet potatoes, and tomatoes, are susceptible to damage from a single light freeze.
Insulation R-Values
- R-value indicates a material's resistance to heat conduction and its insulating properties. A higher R-value translates to better insulation.
- Various materials, including batt and blanket insulation, fill-type insulation, rigid insulation, foamed-in-place insulation, and building materials, have varying R-values, which should be considered for effective cold storage solutions.
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Description
This quiz explores effective methods for storing fruits and vegetables, focusing on various environmental conditions, storage options, and recommended practices. Highlights include the benefits of altitude and underground storage, along with construction tips for cold rooms and other storage techniques.
