Lesson Notes By Weeks and Term v4 - SHS 1
AGRICULTURAL MACHINERIES
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AGRICULTURAL MACHINERIES
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Agricultural Science
Class: SHS 1
Term: 1st Term
Week: 6
Grade code: 1.1.3.LI.3
Strand code: 1
Sub-strand code: 3
Content standard code: 1.1.3.CS.1
Indicator code: 1.1.3.LI.3
Theme: NEW DAWN IN AGRICULTURE
Subtheme: AGRICULTURAL MACHINERIES
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In Ghana, our agriculture is heavily dependent on rainfall. This means that for many months during the dry season (Harmattan), farming activities slow down or stop, leading to food shortages and increased prices for vegetables like tomatoes and peppers. This lesson introduces irrigation, the artificial application of water to land, as a key solution. We will explore different irrigation systems, which are essential modern agricultural tools and technologies. Understanding these systems will empower students to see how we can farm all year round, ensuring food security and creating economic opportunities for themselves and their communities.
2.1 What is Irrigation?
Definition: Irrigation is the science of artificially supplying water to land or soil to help in the growing of crops. It is used to supplement rainfall, especially in areas or during times when rainfall is insufficient for crop growth, like the long dry season in Northern Ghana or the shorter dry spell in the South.
Importance in Ghana: Year-Round Production: Allows farmers to grow crops during the dry season, ensuring a constant supply of food to our markets. Increased Crop Yield: Plants that receive adequate water consistently produce more and better-quality fruits and vegetables. Food Security: Reduces our country's reliance on imported vegetables during the off-season. Economic Empowerment: Provides a stable income for farmers throughout the year. Growing High-Value Crops: Enables the cultivation of crops that require specific water amounts, such as certain vegetables and flowers for export. 2.2 Types of Irrigation Systems
We can classify irrigation systems into several major types. Each has its own way of working, its own cost, and its own suitability for different situations.