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: 8
Grade code: 1.1.3.LI.2
Strand code: 1
Sub-strand code: 3
Content standard code: 1.1.3.CS.1
Indicator code: 1.1.3.LI.2
Theme: NEW DAWN IN AGRICULTURE
Subtheme: AGRICULTURAL MACHINERIES
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In Ghana, our farming is heavily dependent on rainfall. When the rains fail or the dry (harmattan) season comes, many farms lie fallow, and food becomes expensive. Modern agriculture uses technology like irrigation to solve this problem. Irrigation is the artificial application of water to land to assist in the growing of crops. However, these systems cost money. A smart farmer must not only know how to use the technology but also if it will make them richer or poorer. This lesson will equip learners with the skills to analyse different irrigation systems not just as tools, but as business investments, helping them decide which system makes the most financial sense for a farm.
A. What is Irrigation and Why is it Important in Ghana?
Definition: Irrigation is the science of applying controlled amounts of water to land to help grow crops. Think of it as creating an artificial, reliable rainy season for the farm.
Importance in Ghana: Overcoming Unreliable Rainfall: The rainfall pattern in Ghana is becoming less predictable due to climate change. Irrigation guarantees water for crops even if the rains are late or insufficient. All-Year-Round Farming: It allows for farming during the long dry season, especially in the northern savannah and coastal plains. This is known as "dry season gardening/farming." Increased Crop Yield: Plants that receive the right amount of water at the right time grow healthier and produce significantly more harvest than rain-fed crops. Food Security: By enabling year-round production, irrigation ensures a steady supply of food in our markets, which helps to stabilize prices and feed the nation. Growing High-Value Crops: Many lucrative crops like bell peppers, cabbage, and tomatoes require consistent watering, which irrigation provides, boosting farmer income. B. Selected Forms of Modern Irrigation (Considered Agricultural Machinery/Technology)
These systems involve machinery like pumps, and equipment like pipes and emitters.