AGRICULTURAL ECONOMICS 1

Introduction.
Basic economic principles.

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

To define the terms Economics and Agricultural Economics.

Probing questions and discussion.

text book

KLB
Page 141

AGRICULTURAL ECONOMICS 1

Importance of Farm records.

By the end of the lesson, the learner should be able to:
To describe the importance of keeping accurate up-to-date farm records.

Q/A and explanation of importance of farm records.

Specimen farm records.

KLB
Pages 142

AGRICULTURAL ECONOMICS 1

Types of farm records. Inventory and financial records.

By the end of the lesson, the learner should be able to:
To describe inventory records and financial records.

Probing questions and discussion.

Samples of records / charts.

KLB
Page 143

AGRICULTURAL ECONOMICS 1

Labor records and production records.
Livestock Production Records. Breeding records.

By the end of the lesson, the learner should be able to:
To describe labour records and production records, and their components.

Probing questions and discussion.

Labour records and production records.
Livestock breeding records.

KLB
Page 147

AGRICULTURAL ECONOMICS 1

Feeding records. Health records.

By the end of the lesson, the learner should be able to:
To explain importance of feeding records.
To represent feeding details in tabular form.
To identify details of animal health records.

Probing questions and discussion.

Chart ? Sample of animal health record.

KLB
Page 146

AGRICULTURAL ECONOMICS 1

Livestock production records.

By the end of the lesson, the learner should be able to:
To state importance of keeping accurate livestock production records.
To identify necessary details of livestock production records.

Discussion: Milk production record/ egg production record.

Practical activity- Design milk production / egg production records.

Livestock production records.

KLB
Page 146

INORGANIC FERTILIZERS

Macro-nutrients. Nitrogen.

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



To identify plants macronutrients.
To classify macro-nutrients as fertilizers and liming elements.


To identify role of nitrogen in plants.
To state symptoms of nitrogen deficiency in plants

List down macro- elements.
Q/A: Definition of an ion; expose ionic form of elements.

Discuss, giving examples the role of nitrogen and the deficiency symptoms.

Yellowish-green / brown leaves.

KLB BK II
1-2

INORGANIC FERTILIZERS

Phosphorus. Potassium.

By the end of the lesson, the learner should be able to:
To identify role of phosphorus in plants.
To state symptoms of phosphorus deficiency in plants.

To identify role of potassium in plants.
To state symptoms of potassium deficiency in plants.

Discuss, giving examples the role of phosphorus and the deficiency symptoms of phosphorus.


Discuss, giving examples the role of potassium and the deficiency symptoms.

Purple flowers.




Curled leaves,
Chlorotic leaves.

KLB BK II
Pgs 2-3

INORGANIC FERTILIZERS

Magnesium. Calcium.
Sulphur. Carbon, Hydrogen & Oxygen.

By the end of the lesson, the learner should be able to:
To identify role of magnesium in plants.
To state symptoms of magnesium deficiency in plants.
To identify role of calcium in plants.
To state symptoms of calcium deficiency in plants.

Discuss, giving examples the role of magnesium and the deficiency symptoms.

Discuss, giving examples the role of calcium and the deficiency symptoms.

Thin stems with reduced nodulation.
Tomatoes with blossom end rot.
crop leaves

KLB BK II Pgs 4-5

INORGANIC FERTILIZERS

Micro-nutrients.

By the end of the lesson, the learner should be able to:
To identify plants micronutrients and state their roles.
To identify deficiency symptoms of minor nutrients in plants.

Q/A: Compare micronutrients with macronutrients hence define a micronutrient.
Exposition: Teacher gives examples of micronutrients and exposes their roles and deficiency symptoms.

Chart: Macronutrients,
micronutrients,
their ionic forms and deficiency symptoms.

Pg 6

INORGANIC FERTILIZERS

Classification of Fertilizers. Straight and compound fertilizers.

By the end of the lesson, the learner should be able to:
To identify criteria used to classify inorganic fertilizers.

To distinguish between straight and compound fertilizers.
To give examples of:
- Straight fertilizers.
- Compound fertilizers.

Teacher briefly exposes the classification criteria.

Detailed discussion.
Teacher presents the fertilizers and helps students to identify them.

CAN
ASN
SA
DAP, MAP, Urea.

KLB BK II Pg 8

INORGANIC FERTILIZERS

Nitrogenous fertilizers.
Phosphatic fertilizers.

By the end of the lesson, the learner should be able to:
To state characteristics of nitrogenous fertilizers.

Group experiments- Dissolving nitrogenous fertilizers in water.
Discussion: Other characteristics of nitrogenous fertilizers.
Giving examples of nitrogenous fertilizers.

(NH4)2 SO4
ASN
SSP
DSP
TSP

KLB BK II Pg 9-10

INORGANIC FERTILIZERS

Potassic fertilizers.

By the end of the lesson, the learner should be able to:
To state characteristics of potassium fertilizers.
To give examples of potassium fertilizers.

Group experiments: Solubility in water, litmus tests.
Discuss properties of KCl, K2SO4.

KCl
K2SO4

PKLB BK II g 11-12

INORGANIC FERTILIZERS

Fertilizer Application.

By the end of the lesson, the learner should be able to:
To describe methods of fertilizer application.

Q/A: Teacher elicits responses on methods of fertilizer application.
Brief discussion of the methods highlighted.
Q/A: Advantages and disadvantages of each method.

KLB BK II Pg 12-13

INORGANIC FERTILIZERS

Fertilizer Rates.

By the end of the lesson, the learner should be able to:
To determine % of nutrient(s) of a fertilizer.
To calculate fertilizer ratio.
To find the amount of fertilizer required per unit area (hectare).

Problem solving and explanations.
Worked examples.
Supervised practice.

chart

KLB BK II Pg 14-15

INORGANIC FERTILIZERS

Carbon cycle and Nitrogen cycle.

By the end of the lesson, the learner should be able to:
To explain ways in which carbon / nitrogen is removed / returned to the atmosphere.

Assignment method / Group discussion.

Charts: Carbon cycle
Nitrogen cycle.

KLB BK II Pg 16-20

INORGANIC FERTILIZERS

Soil Sampling.

By the end of the lesson, the learner should be able to:
To define soil sampling.
To state methods of sampling soil.
To describe soil sampling procedures.

Expositions &
Detailed discussion.

Charts: Transverse and ziz-zag soil sampling methods.

KLB BK II Pg 20-22

INORGANIC FERTILIZERS

Soil Testing.

By the end of the lesson, the learner should be able to:
To define soil testing.
To explain importance of soil testing.
To test soil pH.
To explain effect of soil pH on crops.

Q/A: Definition and importance of soil testing.
Q/A: Definition of pH in terms of acidity / alkalinity.
Class standard experiments: Determining soil pH.
Discussion: Optimum pH range for crops.

Litmus paper, indicators, pH colour chart.

KLB BK II Pg 22-24