FARM POWER & MACHINERY.

Electrical system of a tractor.

By the end of the lesson, the learner should be able to:
Name the components in the electrical system of a tractor.
Highlight methods of maintaining a tractor battery.

Refer to diagram for electrical system of a tractor;
Brief discussion.

Chart-  electrical system.

KLB BK IV
Pg 65-67

Longhorn Bk IV
Pg 61

FARM POWER & MACHINERY.

Tractor ignition system.

By the end of the lesson, the learner should be able to:
Name the components of tractor ignition system.
Correct some common faults of ignition system.
Discuss maintenance practices of the ignition system.

Refer to a diagram for ignition system of a tractor;
Brief discussion.

Chart - ignition system.

KLB BK IV
Pg 67-69

Longhorn Bk IV
Pg 62-63

FARM POWER & MACHINERY.

Tractor cooling system.

By the end of the lesson, the learner should be able to:
Briefly describe air-cooled and water-cooled systems.
Discuss proper maintenance of cooling system.

Brief discussion.

Chart- water cooling system.

KLB BK IV
Pg 69-71

Longhorn Bk IV
Pg 63-64

FARM POWER & MACHINERY.

Lubrication system of an engine.

By the end of the lesson, the learner should be able to:
Describe the lubrication system of an engine.
Outline importance of maintaining the lubrication system.

Exposition;
Brief discussion.

diagram of a lubrication system

KLB BK IV
Pg 71-72
Longhorn Bk IV
Pg 64-5

FARM POWER & MACHINERY.

Power transmission system of an engine.
Tractor servicing.

By the end of the lesson, the learner should be able to:
Explain the function of power transmission system.
State the function of the clutch, gearbox and the differential.
Describe tractor servicing and maintenance practices.

Teacher exposes the parts of power transmission system.
Refer to diagrams to identify parts of a power transmission system;
Brief discussion.

Chart- power transmission
system.

KLB BK IV
Pg 72-76

Longhorn Bk IV
Pg 64-65

FARM POWER & MACHINERY.

Tractor drawn implements.

By the end of the lesson, the learner should be able to:
Classify tractor drawn implements on basis of attachment to the tractor.
List down maintenance practices for a trailer.

Teacher?s explanations.


Q/A: maintenance practices.

Charts-
Tractor drawn implements.

KLB BK IV
Pg 77-80

Longhorn Bk IV
Pg 66-7

FARM POWER & MACHINERY.

Disc plough.

By the end of the lesson, the learner should be able to:
Label parts of a disc plough
List down maintenance practices for a disc plough.

Q/A: review primary and secondary cultivation.

Drawing labeled diagrams.

Q/A & discussion.

Chart- Disc plough

KLB BK IV
Pg 79-80

Longhorn Bk IV
Pg 68-9

FARM POWER & MACHINERY.

Mould board plough.

By the end of the lesson, the learner should be able to:
State operational differences between the disc plough and mould board plough.

Chart- Mould board plough

KLB BK IV
Pg 80-82
Longhorn Bk IV
Pg 70-1

FARM POWER & MACHINERY.

Harrows.

By the end of the lesson, the learner should be able to:
Identify types of harrows and their uses.
List down maintenance practices for harrows.

Drawing diagrams, Q/A & discussion.

harrows 

KLB BK IV
Pg 82-84
Longhorn Bk IV
Pg 72-77

FARM POWER & MACHINERY.

Other farm implements.

By the end of the lesson, the learner should be able to:
Explain the functional features of subsoilers, ridgers, rotary tillers & mowers.
List down maintenance practices for the
implements.

Exposition & brief discussion.
Excursion & exhibitions.

illustrative video

KLB BK IV
Pg 85-91

Longhorn Bk IV
Pg 78-82

FARM POWER & MACHINERY.

Animal drawn implements.

By the end of the lesson, the learner should be able to:
Identify parts of animal drawn implements and state their functions.
List down maintenance practices for an ox-plough, an ox-plough, and an ox-cart.
State merits & demerits of using animal-drawn implements compared to tractor power.

Drawing and labeling an ox-plough;
Probing questions;
Discussion.

Chart:
An ox-plough.

KLB BK IV
Pg 91-94


Longhorn Bk IV
Pg 82-83

AGRICULTURAL MARKETING & ORGANIZATIONS

Market and marketing.

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




Define the term market as an institution.
Distinguish between a perfect and imperfect market.

Q/A: definition.
Teacher?s explanations.

student book

KLB BK IV
Pg 164

Longhorn Bk 4
Pg 137

AGRICULTURAL MARKETING & ORGANIZATIONS

Types of markets. Monopoly. Oligopoly & Monopsony.

By the end of the lesson, the learner should be able to:
Identify features of a monopolistic competition in a market, oligopolistic and monopsonistic markets.

Brain storming;
Exposition;
Discussion.

KLB BK IV
Pg 165-6

Longhorn Bk 4
Pg 137-8

AGRICULTURAL MARKETING & ORGANIZATIONS

Price theory and demand.

By the end of the lesson, the learner should be able to:
Define the terms price & demand.
Sketch the demand curve.
Explain the term demand schedule.

Exposition;
Curve sketching & explanations.

student book

KLB BK IV
Pg 166-8
Longhorn Bk 4
Pg 139-140

AGRICULTURAL MARKETING & ORGANIZATIONS

Factors affecting demand for a commodity.

By the end of the lesson, the learner should be able to:
Outline factors affecting demand for a commodity.

Q/A, discussion & explanations.

KLB BK IV
Pg 168-9
Longhorn Bk 4
Pg 140-2

AGRICULTURAL MARKETING & ORGANIZATIONS

Elasticity of demand.
Factors affecting elasticity of demand.

By the end of the lesson, the learner should be able to:
Explain the concept of elasticity of demand.
Illustrate demand for a commodity.
Calculate elasticity of demand.
Identify types of elasticity of demand.
Illustrate elastic, inelastic & unitary demand graphically.
State factors affecting elasticity of demand.

Teacher?s explanations.
Graphical illustration.
Worked examples. Supervised practice.
Graphical representation of demand.
Exposition;
Explanations.

chart

KLB BK IV
Pg 170-3


Longhorn Bk 4
Pg 142-4

AGRICULTURAL MARKETING & ORGANIZATIONS

Supply & Supply-price relationship.

By the end of the lesson, the learner should be able to:
Define the term supply.
Illustrate supply-price relationship.

Sketching supply-price curves.
Refer to supply schedules.
Discussion.

chart

KLB BK IV
Pg 174-5
Longhorn Bk 4
Pg 144-5

AGRICULTURAL MARKETING & ORGANIZATIONS

Factors affecting supply of a commodity.

By the end of the lesson, the learner should be able to:
State & explain factors affecting supply of a commodity.

Q/A & detailed discussion.

KLB BK IV
Pg 175-7
Longhorn Bk 4
Pg 145-6

AGRICULTURAL MARKETING & ORGANIZATIONS

Elasticity of supply (Es).

By the end of the lesson, the learner should be able to:
Define elasticity of supply (Es).
Calculate (Es)

Q/A: review Ed hence defines Es.
Worked examples.
Supervised activity.

chart

KLB BK IV
Pg 177-8
Longhorn Bk 4
Pg 147

AGRICULTURAL MARKETING & ORGANIZATIONS

Determination of market prices.

By the end of the lesson, the learner should be able to:
Explain how market prices are determined.
Determine the equilibrium or market prices of a commodity in a free market.

Teacher?s explanation.

Q/A : review demand and supply curves.
Plot both curves.
Interpret the graphs.

graph

KLB BK IV
Pg 178-9

Longhorn Bk 4
Pg 149

AGRICULTURAL MARKETING & ORGANIZATIONS

Price control. Marketing and marketing function.

By the end of the lesson, the learner should be able to:
Explain the role of government in price control.

Define marketing and marketing function.describe tingfunction. a market.

Brain storming;
Exposition;
Discussion.

student book

KLB BK IV
Pg 179-183

Longhorn Bk 4
Pg 151

AGRICULTURAL MARKETING & ORGANIZATIONS

Marketing organizations and agencies. Wholesalers & retailers.

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



Explain the arbitrage role of a wholesaler.
Identify services provided by retailers.

Brain storming;
Exposition;
Discussion.

KLB BK IV
Pg 183-4

Longhorn Bk 4
Pg 151

AGRICULTURAL MARKETING & ORGANIZATIONS

Itinerant traders, broker agents & commission agents.

By the end of the lesson, the learner should be able to:
Outline the functions of Itinerant traders, broker agents & commission agents in a market.

Exposition & explanation.

student book

KLB BK IV
Pg 184-5

AGRICULTURAL MARKETING & ORGANIZATIONS

Packers and processors, marketing boards & auctioneers.

By the end of the lesson, the learner should be able to:
Outline functions of packers and processors, marketing boards & auctioneers in a market.

Q/A & detailed discussion.

KLB BK IV
Pg 185-6

AGRICULTURAL MARKETING & ORGANIZATIONS

Special characteristics of Agricultural products.

By the end of the lesson, the learner should be able to:
Describe bulkiness, weight, volume, seasonality and perishability of Agricultural products.

Oral questions & detailed discussion

student book

KLB BK IV
Pg 186-8

AGRICULTURAL MARKETING & ORGANIZATIONS

Agricultural organizations. Kenya sugar authority, Horticultural crops Development Authority, AFC, ADC, and KMC.
Other Farmers? Associations: KNFU, ASK, 4K-club, YF club.

By the end of the lesson, the learner should be able to:
Outline the functions of Kenya sugar authority, Horticultural crops Development Authority, AFC, ADC, and KMC.
Outline the functions of other Farmers? Associations such as KNFU, ASK, 4K-club, YF club.

Probing questions,
Brief discussion
Assignment.

student book

KLB BK IV
Pg 189-192

Longhorn Bk 4
Pg 163-4

AGRICULTURAL MARKETING & ORGANIZATIONS

Co-operative societies.

By the end of the lesson, the learner should be able to:
Outline the principles of co-operatives.
Highlight functions of co-operatives.

Probing questions, brief discussion, & teacher?s explanations.

student book

KLB BK IV
Pg 161-2

AGRO FORESTRY

Definition of Agroforestry. Forms of agroforestry.

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


Define the term agroforestry.

Describe forms of agroforestry.

Probing questions & explanations.

student book

KLB BK IV
Pg 200-1

Longhorn Bk 4
Pg 166-7

AGRO FORESTRY

Importance of agroforestry.

By the end of the lesson, the learner should be able to:
Explain the importance of agroforestry.

KLB BK IV
Pg 201-2
Longhorn Bk 4
Pg 167-8

AGRO FORESTRY

Tree nursery.

By the end of the lesson, the learner should be able to:
State factors considered when selecting the nursery site.
Describe treatment of nursery seeds.

Q/A & discussions.

Tree nurseries.

KLB BK IV
Pg 203-5

Longhorn Bk 4
Pg 169-173

AGRO FORESTRY

Nursery management practices & Care and management of trees.

By the end of the lesson, the learner should be able to:
Identify practices carried out on the nursery in order to produce healthy tree seedlings.
Describe the care and management of trees.

Brain storming;
Discussion;
Practical activities ? transplanting seedlings.

Tree nurseries.

KLB BK IV
Pg 205-8

Longhorn Bk 4
Pg 173-177