Factors That May Hinder Preservation – Basic 6 Agricultural Science Lesson Note (First Term)

Learning Objectives: By the end of the lesson, pupils should be able to:

• Outline various reasons for preserving farm produce
• Evaluate the factors that may hinder the preservation of farm produce
• Proffer solutions on how to avoid the factors

Lesson Content:

Factors That Hinder Preservation:

1. Moisture/Humidity

• Too much water in the air makes food spoil quickly
• Solution: Use proper drying methods, store in dry places

2. High Temperature

• Too much heat can spoil food
• Solution: Store food in cool, shaded areas

3. Insects and Pests

• Insects like weevils eat stored food
• Solution: Use clean containers, inspect food regularly

4. Poor Storage Containers

• Damaged bags or containers let in air and pests
• Solution: Use good-quality containers with tight lids

5. Dirty Environment

• Unclean storage areas attract germs and pests
• Solution: Keep storage areas very clean

6. Lack of Knowledge

• Not knowing proper preservation methods
• Solution: Learn correct preservation techniques

7. Poor Quality of Produce

• Starting with already damaged crops
• Solution: Select only healthy, undamaged produce

Solutions to Preservation Problems:

• Keep storage areas clean and dry
• Use proper containers
• Check stored food regularly
• Learn correct preservation methods
• Start with good quality produce

HOMEWORK:

1. List 5 factors that can hinder preservation
2. Give 3 solutions to prevent insects from damaging stored food
3. Why is it important to start with good-quality produce?