JSS 2 First Term Agricultural Science Lesson Note – Effects of Timely Harvesting Versus Late Harvesting

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 CONTENT:   -Effects of timely harvesting versus late harvesting

-Post-harvesting operation

– processing of crops into useable forms, storage, etc.

Sub – Topic 1:   Effects of timely harvesting versus late harvesting

Harvesting

Harvesting is the removal and gathering of mature crops for processing and storage. The sign of maturity differ for different crops. For crops like yam, cocoyam and ground nut,

Harvesting of Agricultural produce

Harvesting techniques

• Tapping-rubber
• Cutting- cocoa pods, oil palm fruits and coconut fruits

Effect of Late harvesting

1. Leads to pest infestation
2. Reduces storage quality
3. Effect of Timely harvesting:
4. Protects crops from pest infestation in the field

Post- Harvesting Operations

Farm level processing: These are series of activities used in converting harvested farm produce into clean and marketable forms.

After harvesting, crops need to be processed so that they can be consumed or stored for future use.

Methods of processing

• Shelling
• Dehusking
• Hulling
• Threshing

Importance of processing

1. It facilitates easy packaging
2. Shelf life of product enhanced

 

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