Lesson Notes By Weeks and Term v4 - SHS 1

Lesson Video

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Performance objectives

• Identify different types of agricultural machinery.
• Explain the importance of these machines in farming.
• Describe different irrigation systems used in crop production.
• Calculate the water needs for a given farm area.

Lesson summary

This lesson introduces the concept of irrigation as a critical component of modern agriculture in Ghana. With changing rainfall patterns and the need for all-year-round food production, understanding and using irrigation machinery is essential for food security. We will move beyond the traditional reliance on rain-fed agriculture and explore various mechanical systems that allow farmers to supply water to their crops efficiently. This knowledge will empower students to make informed decisions as future farmers, agricultural extension officers, or entrepreneurs, contributing to the success of initiatives like "Planting for Food and Jobs."

Lesson notes

A. What is Irrigation?

Irrigation is the artificial application of water to land or soil to assist in the growing of crops. It is used to supplement rainfall, especially during the dry season or in areas with low or unreliable rainfall, like the Northern Savannah regions of Ghana.

Why is Irrigation Important in Ghana? All-Year-Round Farming: It allows farmers to cultivate crops during the long dry season, leading to more than one harvest per year and increased income. Increased Crop Yield: Adequate and timely water supply prevents water stress in plants, leading to healthier growth and significantly higher yields. Food Security: By enabling consistent production, irrigation helps to ensure a stable supply of food for our growing population. Cultivation of Dry Areas: It makes it possible to grow crops in arid and semi-arid regions of the country. Reduces Risk: It reduces the farmer's dependence on unpredictable rainfall, mitigating the risk of crop failure due to drought. B. Types of Irrigation Systems (Machinery and Equipment)

We will explore four main categories of irrigation systems. Surface Irrigation

Evaluation guide

• �
• �Use the appropriate irrigation system to produce arable crop s (cereals, legumes,
• and tuber crops).
• Experiential Learning: Embark o n field trips to farms or gardens t hat use modern forms of