ECONOMIC PRODUCTION OF CROPS
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Subject: Agricultural Science
Class: SHS 3
Term: 1st Term
Week: 20
Grade code: 3.2.1.LI.2
Strand code: 2
Sub-strand code: 1
Content standard code: 3.2.1.CS.1
Indicator code: 3.2.1.LI.2
Theme: FARMING FOR JOBS AND INCOMES
Subtheme: ECONOMIC PRODUCTION OF CROPS
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Welcome, future agri-entrepreneurs! Today, we are moving beyond simply growing crops for food at home. We will explore how to organise and manage plantation and fruit tree cultivation as a profitable business. In Ghana, crops like cocoa, oil palm, mango, and cashew are not just plants; they are the backbone of our economy, creating jobs, earning foreign exchange, and improving livelihoods. This lesson will equip you with the practical knowledge to plan, execute, and manage the production of these valuable crops, turning a farm into a successful enterprise. This aligns with our national goal of "Farming for Jobs and Incomes."
This lesson focuses on the practical and business aspects of growing perennial crops. We will use Oil Palm as our primary plantation crop example and Mango as our fruit tree example, as both are very important in Ghana. A. Differentiating Plantation and Fruit Tree Crops Plantation Crops: These are crops grown on a large scale (an estate or plantation) primarily for industrial processing and sale, often for export. They are typically woody perennials. Ghanaian Examples: Cocoa, Oil Palm, Rubber, Coffee, Shea, Coconut. Key Feature: The focus is on the processed product (e.g., palm oil, rubber latex, cocoa beans). Fruit Tree Crops: These are perennial trees cultivated mainly for their edible fruits, which can be sold fresh or processed into juices, jams, and dried products. Ghanaian Examples: Mango, Orange, Pawpaw, Cashew, Avocado, Guava. Key Feature: The focus is on the fruit itself. B. The Production Cycle: From Plan to Profit
Organising and producing these crops involves a series of logical steps. Missing a step can lead to reduced yields and financial loss.
Step 1: Planning and Site Selection
This is the most critical phase. A bad site cannot be fixed later. Climatic Requirements: Oil Palm: Needs high and well-distributed rainfall (1800-2500 mm/year), high humidity, and consistent temperatures (25-28°C). Thrives in the forest zones of Ghana (Western, Ashanti, Eastern, etc.). Mango: Prefers a distinct dry season for good fruit initiation. High rainfall and humidity during flowering can cause diseases like anthracnose. Thrives in the transitional and savannah zones (Bono, Northern, Savannah regions). Soil Requirements: Both crops need deep, well-drained, fertile loamy soils. Avoid waterlogged or very shallow, rocky soils. A soil test is a wise investment to check nutrient levels and pH. Topography: Gently sloping or flat land is ideal. Steep slopes are difficult to work on and are prone to soil erosion. Accessibility: The farm must be accessible by road to transport inputs (fertilizers, seedlings) and, more importantly, to evacuate harvested produce to the market or processing facility.