Lesson Notes By Weeks and Term v4 - SHS 1

Lesson Video

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Performance objectives

• Explain the importance of post-harvest practices.
• Describe post-harvest practices for vegetables and ornamental plants.
• Demonstrate how to market agricultural produce effectively.
• Calculate potential profits from selling harvested crops.
• Work collaboratively to harvest and market produce.

Lesson summary

Welcome, future agripreneurs! In our previous lessons, we learned how to plant and care for our crops. But the farmer's work does not end when the crops are mature. In fact, one of the most important stages begins *after* harvesting. How we handle our produce after it leaves the farm determines how much of it reaches the consumer, its quality, and most importantly, how much money we make. In Ghana, a lot of food is wasted between the farm and the market due to poor handling. This lesson will equip you with the practical skills to reduce these losses, add value to your produce, and turn your hard work into real income.

Lesson notes

This lesson is divided into three main parts: Post-Harvest Practices, Marketing the Produce, and Rendering Accounts. Part A: Post-Harvest Practices

Definition: Post-harvest practices are all the activities and treatments applied to agricultural produce from the moment of harvesting until it reaches the final consumer. The main goal is to maintain quality, prevent spoilage, and increase the shelf life of the produce.

Why are Post-Harvest Practices Crucial? Reduces Spoilage: A significant portion of crops like tomatoes, mangoes, and plantain spoil before they can be sold. Proper handling minimises this waste. Maintains Quality: It keeps the produce fresh, nutritious, and visually appealing, which attracts customers. Increases Income: High-quality, well-handled produce fetches a higher price in the market. Ensures Food Safety: Prevents contamination from dirt, pests, and germs.

Key Post-Harvest Practices: Harvesting: This is the first step. It must be done at the right time (maturity) and in the right way. Maturity Index: Knowing when a crop is ready. For example, garden eggs are harvested when they are firm and glossy, but before the seeds turn brown. Maize for grain is harvested when the cobs are dry and the husks are brown. Method: Harvest carefully to avoid bruising or damage. Use sharp tools like knives for cabbage or secateurs for pepper. Harvest during the cool parts of the day (early morning or late evening) to reduce heat stress on the produce. Cleaning and Washing: Purpose: To remove soil, stones, insects, and chemical residues. Examples: Root crops like carrots and potatoes are washed thoroughly. Leafy vegetables like lettuce are gently rinsed with clean water. Fruits like tomatoes are wiped clean or gently washed. Grains like maize are winnowed to remove chaff. Sorting and Grading: This is a very important step for economic success. Sorting: This involves removing damaged, diseased, or immature produce from the good ones. For example, removing tomatoes with soft spots or insect holes. Grading: This is the process of categorising the sorted produce into groups based on quality, size, colour, or shape. Ghanaian Context Example: At Makola Market, traders have different prices for different grades of tomatoes. Grade A: Large, firm, uniform red colour, no blemishes. Sold to hotels, restaurants, and for a high price. Grade B: Medium-sized, slightly irregular shape, good colour. The most common grade for household cooking. Grade C: Small, soft, or with minor blemishes. Often sold at a lower price for making stews or for processing into tomato paste. *By grading, a farmer can sell the best produce for a premium price instead of selling everything at one low average price.* Packaging: Purpose: To protect the produce during transport and handling, make it easier to carry, and present it attractively. Local Packaging Materials: Baskets (traditional): Used for tomatoes, garden eggs, and oranges. They allow for ventilation but can cause bruising if not lined. Jute Sacks: Used for grains (maize, rice) and tubers (cassava, yam). Plastic Crates: Increasingly popular for tomatoes and peppers. They are durable, stackable, and reduce damage compared to baskets. Plastic Bags/Wraps: For small quantities of leafy greens or ornamentals. Part B: Marketing the Produce

Evaluation guide

• Carry out required post -harvest practices and market the produce.
• Project -Based Learning: Learners in mixed -ability and mixed -gender groups are assigned to
• vegetable crops and ornamental plants. Learners form subgroups to harvest and market the
• produce. Appropr iate post -harvest practices are carried out where necessary. Various groups