FARM POWER & MACHINERY.

Lubrication system of an engine.
Power transmission 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
Chart- power transmission
system.

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

FARM POWER & MACHINERY.

Tractor servicing.

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

Brief discussion.

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

FARM POWER & MACHINERY.

Tractor drawn implements.
Disc plough.

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.
Chart- Disc plough

KLB BK IV
Pg 77-80

Longhorn Bk IV
Pg 66-7

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.
Other farm implements.

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 
illustrative video

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

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

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Household firm relationship.
Gross domestic product (GDP) and Gross National product (GNP). Per Capita Income.

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
calculator

KLB BK IV
Pg 96-97

Longhorn Bk 4
Pg 20-21

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Contribution of Agriculture to national development.

By the end of the lesson, the learner should be able to:
Explain contribution of Agriculture to development.

Brain storming;
Discussion.

KLB BK IV
Pg 98-9
Longhorn Bk 4
Pg 90-91

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.

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)

Law of diminishing returns.
Zones of a PF curve.

By the end of the lesson, the learner should be able to:
State the law oh diminishing returns.

Refer to illustrative tables.
Plot graphs from the tables;
Discuss shape of the curve.

graphs
Chart - Curve showing 3 zones of PF.

KLB BK IV
Pg 112

Longhorn Bk 4
Pg 100-1

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

The principles of substitution. Input-input relationship.

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.

KLB BK IV
Pg 115-6

Longhorn Bk 4
Pg 102

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Product-product relationship. Supplementary and complementary products.
The principle of equi-marginal returns. The concept of cost.

By the end of the lesson, the learner should be able to:
Give examples of product-product relationship.

Give illustrative examples depicting supplementary and complementary products.

Oral questions: joint products, competitive products.

Discussion.

charts

KLB BK IV
Pg 116-7

Longhorn Bk 4
Pg 103

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Types of revenue.

By the end of the lesson, the learner should be able to:
Compute total revenue, net revenue and marginal revenue given the relevant information.

Worked examples;
Explanations.

KLB BK IV
Pg 119-120
Longhorn Bk 4
Pg 107

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Farm planning.
Making a farm plan.

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)

Farm budgeting.

By the end of the lesson, the learner should be able to:
Define a farm budget.
Analyse importance of farm budgeting.

Exposition & discussion.

chart

KLB BK IV
Pg 123
Longhorn Bk 4
Pg 110

AGRIC. ECONOMICS III (PRODUCTION ECONOMICS)

Types of farm budgets.
Farmer?s support services Extension, training & banking.

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)

Credit. Sources of credit.

By the end of the lesson, the learner should be able to:
Define the term credit.
Identify types of credit.
Differentiate between hard & soft credit.
List down sources of credit.
Identify problems associated with credits.

Detailed discussion
& exposition of new concepts.

student book

KLB BK IV
Pg 128-130



Longhorn Bk 4
Pg 113-5

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.

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.

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

AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Cash book.
Journal & Subsidiary books of the Journal.

By the end of the lesson, the learner should be able to:
Describe features of the cash book.
Balance cash book.

Oral questions & brief discussion.
Illustrative examples.

Cash book.

KLB BK IV
Pg 150
Longhorn Bk 4
Pg 125

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.

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

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

AGRICULTURE ECONOMIC IV (FARM ACCOUNTS)

Profit and loss account.

By the end of the lesson, the learner should be able to:
Define a profit and loss account.
Draw a profit and loss A/C.
Compute net profit.

Teacher gives format of profit and loss A/C.
Worked examples.
Supervised practice.

chart 

KLB BK IV
Pg 157-9
Longhorn Bk 4
Pg 132-3