Lesson Notes By Weeks and Term v4 - SHS 1

PRINCIPLES OF NATURAL RESOURCE CONSERVATION IN AGRICULTURE

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  3. SHS 1
  4. PRINCIPLES OF NATURAL RESOURCE CONSERVATION IN AGRICULTURE

Subject: Agriculture

Class: SHS 1

Term: 2nd Term

Week: 12

Grade code: 1.3.2.LI.3

Strand code: 3

Sub-strand code: 2

Content standard code: 1.3.2.CS.2

Indicator code: 1.3.2.LI.3

Theme: FOOD PRODUCTION AND NATURAL RESOURCE CONSERVATION

Subtheme: PRINCIPLES OF NATURAL RESOURCE CONSERVATION IN AGRICULTURE

Lesson Video

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Performance objectives

Lesson summary

This lesson introduces the fundamental concept of soil composition. In Ghana, our lives are deeply connected to the soil – from the food we grow like yam, cassava, and cocoa, to the clay we use for pottery and buildings. Often, we think of soil as just "dirt," but it is a complex, living mixture of different ingredients. To be good stewards of our land and practice effective agriculture (natural resource conservation), we must first understand what soil is made of. This lesson breaks down soil into its five main components, exploring the vital role each part plays in growing healthy crops and sustaining our environment.

Lesson notes

What is Soil? Soil is the upper layer of the earth's surface, which serves as a natural medium for the growth of plants. It is not a single substance but a dynamic mixture of five key components. A healthy, fertile soil (often called a loam soil) has these components in a balanced proportion, which is ideal for agriculture.

Imagine a perfect recipe for a cake. You need the right amount of flour, sugar, eggs, and water. Soil is similar. For a perfect "crop-growing cake," you need the right balance of its ingredients.

The five major components of soil are: Mineral Matter (about 45%) Organic Matter (about 5%) Soil Water (about 25%) Soil Air (about 25%) Soil Living Organisms (a small but vital part)

A helpful way to visualize this is with a pie chart:

Evaluation guide