INTRODUCTION TO AGRICULTURE

Introduction. Branches of Agriculture.

By the end of the lesson, the learner should be able to:
By the end of the lesson, the learner should be able:

To define Agriculture as an art and a science.


To describe the branches of Agriculture.

Brainstorming:
Teacher elicits the definition of Agriculture.
Discussion- Branches of Agriculture: crop farming, livestock farming, Agricultural Economics, Agriculture Engineering, e.t.c.

Chart- Branches of Agriculture.

Livestock / Crop products.

KLB
Pages 1-3 

INTRODUCTION TO AGRICULTURE

Introduction. Branches of Agriculture.

By the end of the lesson, the learner should be able to:
By the end of the lesson, the learner should be able:

To define Agriculture as an art and a science.


To describe the branches of Agriculture.

Brainstorming:
Teacher elicits the definition of Agriculture.
Discussion- Branches of Agriculture: crop farming, livestock farming, Agricultural Economics, Agriculture Engineering, e.t.c.

Chart- Branches of Agriculture.

Livestock / Crop products.

KLB
Pages 1-3 

INTRODUCTION TO AGRICULTURE

branches of agriculture
crop farming

By the end of the lesson, the learner should be able to:
to state and explain branches of agriculture
To state and explain crop farming systems

Brain storming, guided questions and detailed discussion.

Livestock / Crop raw produce, industrial goods, flow charts.

text book

KLB Pages  2
KLB Pages  3

INTRODUCTION TO AGRICULTURE

Farming Systems.

By the end of the lesson, the learner should be able to:
To define a farming system.
To identify factors that affect choice of a farming system.

Teacher exposes the meaning of a farming system.
Discussion on factors that affect choice of a farming system.

Resource person.

KLB
Pages 3

INTRODUCTION TO AGRICULTURE

Farming systems in Kenya. Intensive farming systems.

By the end of the lesson, the learner should be able to:
To describe various farming systems practised intensively.

To state advantages and disadvantages of each type of intensive farming.

Q/A & Discussion

text book

KLB Pages  4

INTRODUCTION TO AGRICULTURE

Extensive farming systems. Advantages and disadvantages of extensive farming system.

By the end of the lesson, the learner should be able to:
To describe various farming systems practised extensively.

To state advantages and disadvantages of each type of extensive farming.

Discussion:
Q/A and explanations.

Relevant photographs: plantations, ranches, dairy farms.

KLB
Pages 5

INTRODUCTION TO AGRICULTURE

Methods of farming. Mixed farming.

By the end of the lesson, the learner should be able to:
To define mixed farming.

To state advantages and disadvantages of mixed farming.

Probing questions.
Discussion- factors favouring / militating against mixed farming.

film

KLB
Pages 5

INTRODUCTION TO AGRICULTURE

Nomadic Pastoralism.

By the end of the lesson, the learner should be able to:
To define nomadic pastoralism.
To state advantages and disadvantages of nomadic pastoralism.

Probing questions.
Discussion- factors favouring / militating against pastoralism.

text book

KLB Pages 5

INTRODUCTION TO AGRICULTURE
INTRODUCTION TO AGRICULTURE
FACTORS INFLUENCING AGRICULTURE

Shifting cultivation.
Roe of agriculture to kenyan economy
Human factors.

By the end of the lesson, the learner should be able to:
To define shifting cultivation.
To state advantages and disadvantages of shifting cultivation.

To explain the role of  agriculture to kenyan economy
To explain the human factors influencing Agriculture.

Exposition;
Discussion.
Probing questions.
Discussion
Detailed discussion and probing questions on: Health (emphasis on HIV/AIDS), education level, communication, economic development, marketing, government policies, e.t.c.

text book
 Charts & photographs.
Data on HIV/AIDS.

KLB Pages 5
KLB Pages 6

FACTORS INFLUENCING AGRICULTURE

Climatic factors. - Rainfall.

By the end of the lesson, the learner should be able to:
To discuss at length influence of rainfall on Agriculture.
To identify farming practices that:
Reduce effects of water shortage.
Overcome effects of excess water.

Q/A and explanations about: rainfall i.e. lack of rainfall, excess rainfall, rainfall intensity, distribution and reliability.
Exposition and explanations.

Weather station instruments:
rain gauge.

KLB
Page 12

FACTORS INFLUENCING AGRICULTURE

- Temperature.
- Light.

By the end of the lesson, the learner should be able to:
To define cardinal temperature range, maximum and minimum temperature, optimum temperature.
To identify factors that cause temperature variations.
To explain ways in which plants/ animals overcome extreme temperatures.

To state functions of light.
To describe characteristics of light.

Exposition and explanation.
Discussion and Q/A on; altitude, latitude, seasons, winds, clouds, slope, e.t.c.
Students highlight ways in which plants / animals overcome extreme temperatures, then the
teacher delves into the details.
Q/A: Functions of light.
Exposition & Discussion: Light intensity, duration and wavelength.

Thermometers.
text book

KLB
Page 13
KLB
Page 15

FACTORS INFLUENCING AGRICULTURE

- Wind and Relative Humidity.

By the end of the lesson, the learner should be able to:
To identify effects of wind on agricultural production.
To explain relation between relative humidity and rate of evapotranspiration.

Q/A: Uses and nuisances of wind.
Exposition: Meaning of relative humidity.
Discussion: Relative humidity v/s rate of evapotranspiration.

KLB
Page 15

FACTORS INFLUENCING AGRICULTURE

Biotic factors.
Edaphic factors.

By the end of the lesson, the learner should be able to:
To explain effects of biotic factors on Agriculture.
To define soil.
To state uses of soil.
To identify forms of weathering.

Q/A and explanations on effects of: pests, diseases, pathogens, predators, pollinators, bacteria, e.t.c. on Agriculture.

Q/A and explanation: definition of soil, its uses.
Exposition: Teacher exposes meaning of weathering and forms of weathering.

Wall charts / Sample pe pollinators.
Soil / rock samples.

KLB
Pages 11
KLB
Page 22.16

FACTORS INFLUENCING AGRICULTURE

Soil profile.

By the end of the lesson, the learner should be able to:
To define soil profile.
To represent soil profile diagrammatically.
To explain effects of soil profile on crop production.

Exposition ? Definition.
Drawing and labelling soil horizons.
Explanation and questioning: soil horizons v/s crop production.

Chart ? Soil profile.

KLB
Page21

FACTORS INFLUENCING AGRICULTURE

Soil constituents & sedimentation.
Soil texture.

By the end of the lesson, the learner should be able to:
To explain the importance of the soil constituents.
To define soil texture.
To identify textural classes of soil.
To identify types of soils.

Discussion: Constituents of soil and importance of each constituent.
Group experiment- Mechanical analysis of soil.
Discuss the results.
Expose meaning of soil texture.

school garden
Sieve meshes of different diameters,
Beakers,
Garden soil,
Weighing balance.

KLB Page 24
KLB
Pages 24

FACTORS INFLUENCING AGRICULTURE

Water retention of soils.

By the end of the lesson, the learner should be able to:
To describe an experiment to show:
Water retention of soils.
Capillary rates of different soils.

Group experiments.
Discussion of observations.

Sandy, Loam,
Clay soil
Cotton wool
Funnels
Stop watches
Rulers
Measuring cylinders.

KLB
Pages  35

FACTORS INFLUENCING AGRICULTURE

Effect of soil water holding properties on crop production.
Soil structure.

By the end of the lesson, the learner should be able to:
To explain the effects of soil water holding properties on crop production.
To define soil structure.
To identify types of soil structure.
To identify mans influence on soil structure.
To explain effects of soil structure on crops.

Q/A and explanation about soil aeration and drainage and their influences on growth of crops.

Detailed discussion.
Drawing of diagram- soil horizons.
Q/A: Man?s influence on soil structure.
Q/A: Soil structure v/s Crop production.

school garden
Chart- soil structure forms.

KLB
Pages 39
KLB
Page 40

FACTORS INFLUENCING AGRICULTURE

Soil structure.

By the end of the lesson, the learner should be able to:
To define soil structure.
To identify types of soil structure.
To identify mans influence on soil structure.
To explain effects of soil structure on crops.

Detailed discussion.
Drawing of diagram- soil horizons.
Q/A: Man?s influence on soil structure.
Q/A: Soil structure v/s Crop production.

Chart- soil structure forms.

KLB
Page 40