FARM POWER & MACHINERY.

Electrical system of a tractor.
Tractor ignition system.

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.
Chart - ignition system.

KLB BK IV
Pg 65-67

Longhorn Bk IV
Pg 61

FARM POWER & MACHINERY.

Tractor cooling system.
Lubrication system of an engine.

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.
diagram of a lubrication system

KLB BK IV
Pg 69-71

Longhorn Bk IV
Pg 63-64

FARM POWER & MACHINERY.

Power transmission system of an engine.

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.

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 servicing.
Tractor drawn implements.

By the end of the lesson, the learner should be able to:
Describe tractor servicing and maintenance practices.

Brief discussion.

Charts-
Tractor drawn implements.

KLB BK IV
Pg 776-77
Longhorn Bk IV
Pg 65-6

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.
Harrows.

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
harrows 

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

FARM POWER & MACHINERY.

Other farm implements.
Animal drawn 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
Chart:
An ox-plough.

KLB BK IV
Pg 85-91

Longhorn Bk IV
Pg 78-82

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Household firm relationship.

By the end of the lesson, the learner should be able to:
Define a household and a firm as business terms.
Describe a household and a firm as producers and consumers and their role in a country's economic growth.

Q/A: review definition of economics, production economics.
Exposition & explanations.
Q/A & discussion.

resource person

KLB BK IV
Pg 96-97

Longhorn Bk 4
Pg 20-21

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Gross domestic product (GDP) and Gross National product (GNP). Per Capita Income.
Contribution of Agriculture to national development.

By the end of the lesson, the learner should be able to:
Define the terms GDP & GNP.
Define the term gross national income (GNI).


Define the term per capita income.

Exposition & explanations.



Calculations.

calculator

KLB BK IV
Pg 97-98

Longhorn Bk 4
Pg 87-88

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Land as a factor of production.
Labor as a factor of production.

By the end of the lesson, the learner should be able to:
Describe the economic value of production of crops and livestock and space for construction of farm buildings, agro-industries & infrastructure.
List down methods of land acquisition.

Exposition of new concepts;
Probing questions to elicit responses;
Brief discussion.

student book
chart

KLB BK IV
Pg 99-100

Longhorn Bk 4
Pg 92-3

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Capital.

By the end of the lesson, the learner should be able to:
Define the term capital.
Identify types of capital.
List sources of capital.

Oral questions, exposition & discussion.

KLB BK IV
Pg 102-3
Longhorn Bk 4
Pg 94-95

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Management as a production factor.
Production function.

By the end of the lesson, the learner should be able to:
State functions of a manager in a farm.
Identify good qualities of a manager.

Q/A & discussion.

KLB BK IV
Pg 103-4

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Production function curves.

By the end of the lesson, the learner should be able to:
Illustrate and interpret input-output relationship graphically.

Worked examples: supervised practice.

Graph papers.

KLB BK IV
Pg 106-7
Longhorn Bk 4
Pg 98

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Increasing returns production functions.
Constant returns production functions.

By the end of the lesson, the learner should be able to:
Illustrate and interpret Increasing returns production functions.
Give empirical examples where increasing returns production functions are experienced.

Tabulate inputs and outputs.
Graphical representation of increasing returns production functions.

Graph papers.
charts

KLB BK IV
Pg 107-8
Longhorn Bk 4
Pg 99

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Decreasing returns production functions.
Law of diminishing returns.

By the end of the lesson, the learner should be able to:
Decreasing returns production functions.
Give empirical examples where decreasing returns production functions are experienced.

Tabulate inputs and outputs.
Graphical representation of decreasing returns production functions.

graphs

KLB BK IV
Pg 109-10

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Zones of a PF curve.

By the end of the lesson, the learner should be able to:
Divide a production function into three zones.
Identify rational zones of production.

Q/A: review AP, MP.
Guided discovery of the three zones.

Chart - Curve showing 3 zones of PF.

KLB BK IV
Pg 113-5
Longhorn Bk 4
Pg 101-2

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

The principles of substitution. Input-input relationship.
Product-product relationship. Supplementary and complementary products.

By the end of the lesson, the learner should be able to:
State the principles of substitution.
Give examples illustrating principles of substitution.
Identify ways of combining inputs.

Exposition.

Illustrative examples, brief discussion.

charts

KLB BK IV
Pg 115-6

Longhorn Bk 4
Pg 102

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

The principle of equi-marginal returns. The concept of cost.
Types of revenue.

By the end of the lesson, the learner should be able to:
State the principle of equi-marginal returns.

Determine the cost of production.
Identify the role of cost in production.
List types of costs.

Discussion.


Exposition;
Worked examples.

KLB BK IV
Pg 117-9

Longhorn Bk 4
Pg 104-5,6

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Farm planning.

By the end of the lesson, the learner should be able to:
State factors to consider when drawing a farm plan.

Exposition, Q/A & discussion.

charts

KLB BK IV
Pg 121-2
Longhorn Bk 4
Pg 108

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Making a farm plan.
Farm budgeting.

By the end of the lesson, the learner should be able to:
Outline steps followed in making a farm plan.

Exposition, probing questions & discussion.

chart

KLB BK IV
Pg 122-3
Longhorn Bk 4
Pg 109

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Types of farm budgets.

By the end of the lesson, the learner should be able to:
Describe types of farm budgets.
Give examples of contexts where certain types of budgets are used.
Draw a partial budget.
Draw a complete budget.

Exposition & discussion,
Worked examples;
Supervised practice;
Written exercises.

chart

KLB BK IV
Pg 124-7

Longhorn Bk 4
Pg 110-1

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Farmer?s support services Extension, training & banking.
Credit. Sources of credit.

By the end of the lesson, the learner should be able to:
Describe extension, training & banking as support services to the farmers.

Exposition & explanations.

student book

KLB BK IV
Pg 127-8

Longhorn Bk 4
Pg 112-3

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Artificial insemination & Agricultural research.
Marketing. Farm input suppliers Tractor hire service

By the end of the lesson, the learner should be able to:
Describe A.I. services provided to farmers.
Identify objectives of Agricultural research.
Give examples of Agricultural research centers in Kenya.

Detailed discussion
& exposition of new concepts.

student book
resource person

KLB BK IV
Pg 130-2

Longhorn Bk 4
Pg 115-6

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Risks and uncertainties in farming.

By the end of the lesson, the learner should be able to:
Define the terms risk and uncertainty.
List types of risk and uncertainties.

Brain storming;
Detailed discussion.

KLB BK IV
Pg 134-5

Longhorn Bk 4
Pg 116-7

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)
AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Adjusting to uncertainties and risks.
Financial documents.

By the end of the lesson, the learner should be able to:
Outline ways of adjusting to risks and uncertainties.

Brain storming;
Detailed discussion.

Invoice, receipt, delivery note and a purchase order.

KLB BK IV
Pg 135-6

Longhorn Bk 4
Pg 118-9

AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Books of accounts.
Cash book.

By the end of the lesson, the learner should be able to:
Describe features of the ledger and the inventory.

Oral questions & brief discussion.
Illustrative tables.

Cash book.

KLB BK IV
Pg 146-150
Longhorn Bk 4
Pg 124

AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Journal & Subsidiary books of the Journal.

By the end of the lesson, the learner should be able to:
Describe features of the journal & subsidiary books of the journal.

Oral questions & brief discussion.
Illustrative tables.

KLB BK IV
Pg 151-3

AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Financial statements. Balance sheet.

By the end of the lesson, the learner should be able to:
Describe features of balance sheets.
Prepare a balance sheet.

Make entries in a balance sheet.
Prepare a balance sheet.
Supervised practice.

Balance sheet.

KLB BK IV
Pg 154-7
Longhorn Bk 4
Pg 129-130

AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Solvency of a business.
Profit and loss account.

By the end of the lesson, the learner should be able to:
Determine whether a business is solvent or insolvent.

chart 

KLB BK IV
Pg 154-7
Longhorn Bk 4
Pg 130

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.
Price theory and demand.

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.

student book

KLB BK IV
Pg 165-6

Longhorn Bk 4
Pg 137-8

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.

Teacher?s explanations.
Graphical illustration.

Worked examples. Supervised practice.



Graphical representation of demand.

chart

KLB BK IV
Pg 170-3


Longhorn Bk 4
Pg 142-4

AGRICULTURAL MARKETING & ORGANIZATIONS

Supply & Supply-price relationship.
Factors affecting supply of a commodity.

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

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.
Price control. Marketing and marketing function.

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
student book

KLB BK IV
Pg 178-9

Longhorn Bk 4
Pg 149

AGRICULTURAL MARKETING & ORGANIZATIONS

Marketing organizations and agencies. Wholesalers & retailers.
Itinerant traders, broker agents & commission agents.

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.

student book

KLB BK IV
Pg 183-4

Longhorn Bk 4
Pg 151

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.
Agricultural organizations. Kenya sugar authority, Horticultural crops Development Authority, AFC, ADC, and KMC.

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

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 other Farmers? Associations such as KNFU, ASK, 4K-club, YF club.

Probing questions,
Brief discussion
Assignment.

student book

KLB BK IV
Pg 195-7

AGRICULTURAL MARKETING & ORGANIZATIONS
AGRO FORESTRY

Co-operative societies.
Definition of Agroforestry. Forms of agroforestry.

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

Importance of agroforestry.
Tree nursery.

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

Tree nurseries.

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

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