Lesson Notes By Weeks and Term v4 - SHS 2
MODERN TECHNICAL AGRICULTURE
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MODERN TECHNICAL AGRICULTURE
Download the Lessonotes Mobile Ghana app for faster lesson access on Android and iPhone.
Subject: Agriculture
Class: SHS 2
Term: 1st Term
Week: 10
Grade code: 2.2.1.LI.2
Strand code: 2
Sub-strand code: 1
Content standard code: 2.2.1.CS.2
Indicator code: 2.2.1.LI.2
Theme: MODERN TECHNICAL AND MECHANISED AGRICULTURE
Subtheme: MODERN TECHNICAL AGRICULTURE
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In modern agriculture, a farm is not just a piece of land; it is a business. Proper planning is essential for success, efficiency, and profitability. One of the most fundamental planning tools is a farmstead map. Just as an architect needs a blueprint to build a house, a modern farmer needs a map to manage their farm effectively. In Ghana, whether you are managing a small poultry farm in the Ashanti Region, a large cocoa plantation in the Western Region, or a vegetable farm near an irrigation dam in the Upper East, a map helps you to make smart decisions about where to place structures, manage resources like water, and plan for future expansion.
This section covers the core knowledge you need to master farmstead mapping. A. What is a Farmstead? A farmstead is the central operational area of a farm. It includes not just the farmland itself, but all the buildings, structures, and facilities associated with the farm's operations. Examples in a Ghanaian Context: The farmhouse (farmer's residence) Livestock housing (poultry coop, kraal for cattle, pigsty) Storage facilities (silo for grain, barn for yam, shed for tools) Water sources (borehole, well, dam, water tank) Processing areas (e.g., a shed for shelling maize or processing gari) Fences, gates, and farm roads B. What is a Farmstead Map? A farmstead map is a scaled drawing that shows the layout of a farmstead from a top-down view (like a bird's eye view). It illustrates the location, size, and relationship between different features on the farm. C. Importance of a Farmstead Map Why bother drawing a map? A good map is a powerful management tool. Planning and Management: Helps in deciding the best location for new structures to improve workflow. For example, placing the feed store close to the livestock pens saves time and energy. Resource Management: Shows the location of water sources, electricity lines, and roads, helping in efficient planning of irrigation and other activities. Business and Finance: A detailed farm plan, including a map, is often required by banks like the Agricultural Development Bank (ADB) when applying for loans. Biosecurity: Helps in planning layouts that minimise the spread of diseases. For example, locating the quarantine pen far from the main flock. Record Keeping: Provides a visual record of the farm's assets and layout at a specific point in time. D. Key Features of a Good Farmstead Map Every proper map must have these five components: Title: Clearly states what the map is about (e.g., "Map of Sunrise Poultry Farm, Nsawam"). North Arrow (Orientation): A symbol (usually an arrow pointing up) that indicates the direction of North. This helps to orient the map with the real world. Legend or Key: An explanatory box that shows what the symbols used on the map represent (e.g., a small square symbol = Poultry House; a blue circle = Borehole). Scale: A ratio that shows the relationship between a distance on the map and the corresponding distance on the ground. It allows for accurate measurements. Example: 1 cm : 10 m (meaning 1 centimetre on the map represents 10 metres on the actual farm). Labels: Clear and legible names for all the important features on the map (e.g., "Farmhouse," "Cassava Plot," "Mango Orchard").
*(Teacher to draw a simple example on the board showing these features)* E. Step-by-Step Guide to Preparing a Farmstead Map
Step 1: Reconnaissance (Initial Survey) Walk around the entire farmstead. Make a rough, freehand sketch in your notebook. It doesn't need to be to scale. Identify all the key features to include: buildings, fences, water sources, major crops, roads, gates, etc.
Step 2: Data Collection (Taking Measurements) This is the most critical step. You need to measure the dimensions of structures and the distances between them. Pacing Method (Simple): Measure the length of your average step (your pace). For example, walk 10 metres and count your steps. If you took 12 steps, then your average pace is 10 m / 12 steps ≈ 0.83 m per step. Walk from one point to another (e.g., from the corner of the farmhouse to the gate), counting your steps. Multiply the number of steps by your average pace length to get the distance. *Example:* 50 steps x 0.83 m/step = 41.5 metres. Tape Measure Method (More Accurate): Use a long measuring tape (20m, 30m, or 50m) to measure the lengths and widths of buildings and the distances between key points. This is more accurate than pacing. Record all your measurements systematically in your notebook next to your rough sketch.