In agriculture, postharvest handling is the stage of crop production immediately following harvest, including cooling, cleaning, sorting and packing. … Postharvest treatment largely determines final quality, whether a crop is sold for fresh consumption, or used as an ingredient in a processed food product.
What is post harvest system?
“Properly considered,” Spurgeon says, “the post-harvest system should be thought of as encompassing the delivery of a crop from the time and place of harvest to the time and place of consumption, with minimum loss, maximum efficiency and maximum return for all involved” (The Hidden Harvest, 1976).
What is the meaning of post harvest losses?
Definition. The expression “post-harvest losses” means a measurable quantitative and qualitative loss in a given product. These losses can occur during any of the various phases of the post-harvest system. This definition must also take into account cases of product deterioration.
What is pre and post harvest?
A pre-harvest system may be defined as a system of existing technologies for agricultural raw materials production. … In the system of traditional agriculture that predominates in developing countries, pre- and post-harvest technologies are usually of different social and economic structure.
What do you mean by post harvest handling of fruits?
HARVEST• Fruits harvested too early may lack flavour and may not ripen properly, while produce harvested too late may be fibrous or have very limited market life. …
What is the purpose of post-harvest?
The most important goals of post-harvest handling are keeping the product cool, to avoid moisture loss and slow down undesirable chemical changes, and avoiding physical damage such as bruising, to delay spoilage.
What is the main goal of harvest?
What is the main goal of harvest and storage systems? Harvest is the process of cutting down of crops and utilizing them for the future aspects. It can be for the sale or for the own use of farmers. People engaged in farming do this process after their crop is ready for this purpose.
What are the types of post harvest losses?
Examples of waste
contamination; natural drying out of food 5. Primary processing, cleaning, classification, hulling, pounding, grinding, packaging, soaking, winnowing, drying, sieving, milling Process losses; contamination in process causing loss of quality.
How do you prevent post harvest loss?
6 Tips To Avoid Postharvest Losses
- Assess maturity. …
- Check your water quality. …
- Check your water temperature. …
- Avoid injury. …
- Keep your produce cool. …
- Proper Storage.
31 авг. 2015 г.
What is post harvest management of fruits and vegetables?
Post-harvest technologies constitute an inter-disciplinary science and techniques applied to agricultural commodities after harvest for the purpose of preservation, conservation, quality control, processing, packaging, storage, distribution, marketing and utilization to meet the food and nutritional requirements of …
What are the post harvest activities?
Post-harvest activities include harvesting, handling, storage, processing, packaging, transportation and marketing. … Occasionally, losses may be 100%, for example when there is a price collapse and it would cost the farmer more to harvest and market the produce than to plough it back into the ground.
What are the 3 common tools for harvesting vegetables?
Tools Used for Harvesting
- Diggers and Delvers. A gardener uses a trowel to harvest garlic. …
- Slicers and Snippers. A gardener uses shears to trim an apple tree. …
- Strainers and Drainers. Freshly picked vegetables in a basket. …
- Luggers and Movers. A wheelbarrow in a vegetable garden. …
- Rakers and Pickers. An older style blueberry rake.
What are the factors responsible for post harvest losses in fruits?
Vegetables: The primary factors of post-harvest loss of fruits and vegetables are mainly cause by mechanical physiological pathological or environmental factors . Mechanical damage of fruits and vegetables are caused by careless handling during harvesting, packing, transportation, storage etc.
What are the factors of harvesting?
While the major factor determining the time of harvest is the maturity of the crop, other factors such as weather, availability of harvest equipment, pickers, packing and storage facilities, and transport are important considerations.
Why is proper handling of newly harvested vegetables are important?
Harvest and handle gently
Injured areas on fresh produce lead to increased postharvest decay and water loss. Cuts, punctures, abrasions, crushing and bruising cause significant quality losses. In some cases, products may appear undamaged but may be bruised internally (melons).
What are the methods used for harvesting fruits?
Depending on the type of fruit or vegetable, several devices are employed to harvest produce. Commonly used tools for fruit and vegetable harvesting are secateurs or knives, and hand held or pole mounted picking shears.