Overview
Classify plants using botanical and agricultural techniques of classification. Describe the effects of various agricultural activities on ecological systems Identify pests of certain crops and indicate their control. Describe some common diseases caused by pests and their control. Identify factors that affect the production of crops Identify some methods of preserving and storing foodstuffs. List the factors that (i) affects population growth (ii) affects the availability of man's food.
What you'll learn
- Classification of plants:
- (i) Botanical classification (e.g. algae, spermatophytes)
- (ii) Agricultural classification (e.g. Fibres, latex)
- (iii) Classification based on life cycles (e.g. annuals, perennials)
- Effects of agricultural activities on ecological systems
- (I) Bush clearing/burning
- (ii) Tillage
- (iii) Fertilization/herbicide and their effects
- (iv) Effects of different types of farming on ecological systems
- Pests and diseases of agricultural importance
- (I) Knowledge of pests (types, life cycles, control)
- (ii) Diseases (types, control)
- Food production and storage:
- (I) Ways of improving crop yield.
- (ii) Causes of wastage.
- (Iii) Methods of preserving and storing food.
- Population growth and food supply.
- Reproduction and population growth.
- Relationship between the availability of food and the human population. Effects of food storage.
- Government efforts to increase food production e.g. agricultural revolution.