Third Term Crop Production and Horticulture revision for SS 1

Class: SS 1
Term: Third Term
Week: 11
Age: 15 years
Duration: 60 minutes
Subject: Crop Production and Horticulture
Curriculum Theme: Revision
Focal competence: Integration of the term’s curriculum competencies
Key competencies/values: Critical Thinking; Communication
Skills:

• Curriculum skills covered in Weeks 1-10

Previous Lesson: Desirable Ethics in Life and Business, Examples and Benefits
Topic: Revision and Consolidation
Subject Matter: core term topics, taught skills, common misconceptions, revision exercises

Specific Objectives

By the end of the lesson, pupils/students should be able to:

Cognitive Domain

• Recall the key concepts taught during the term.
• Identify common misconceptions related to crop production and horticulture.

Affective Domain

• Value the importance of regular revision for academic success.
• Participate actively in revision exercises and discussions.

Psychomotor Domain

• Apply the term’s knowledge and skills in written tasks.
• Demonstrate understanding through oral explanations of concepts.

Social Domain

• Collaborate with peers to solve revision exercises.
• Communicate their understanding effectively during group activities.

Reference Materials

The following resources were used in planning this lesson:

• 2025 New Revised Senior Secondary Education Curriculum (SSEC)
• Relevant State Unified Scheme of Work
• Approved Senior Secondary 1 Agricultural Science Textbook
• The HeadTeacher Scheme of work For The New Revised Senior Secondary Education Curriculum (SSEC)

Instructional Materials

The teacher will teach this lesson with the aid of:

• Class notes and approved textbooks from Weeks 1-10
• Past questions/revision exercises from the term
• Whiteboard/Chalkboard and markers/chalk
• Charts or diagrams illustrating key concepts (e.g., crop propagation methods, farm tools)

Rationale for the Lesson

This revision lesson is essential for reinforcing students’ understanding of all topics covered throughout the third term in Crop Production and Horticulture. It provides an opportunity to clarify doubts, correct misconceptions, and consolidate knowledge, preparing students adequately for examinations. By revisiting core concepts and practicing application, students develop a deeper and more lasting grasp of the subject matter.

Prerequisite/Previous Knowledge

Students are expected to have a foundational understanding of all topics covered in Crop Production and Horticulture from Weeks 1-10 of the Third Term.

Lesson Content/Board Summary

Revision and Consolidation

Farm Surveying and Planning

Farm surveying involves measuring and mapping farm land to determine its size, shape, and features for efficient planning. Farm planning is the process of deciding how to best use the available farm resources (land, labour, capital) to achieve specific agricultural goals.

Importance of Farm Surveying and Planning:

1. Determines farm boundaries and area.
2. Aids in proper layout of farm structures and fields.
3. Facilitates efficient allocation of resources.
4. Helps in record-keeping and management.
5. Assists in soil conservation planning.

Common Surveying Tools:

1. Measuring Tape/Chain: Used for linear measurements.
2. Prismatic Compass: Used for measuring bearings and angles.
3. Ranging Poles: Used for marking points and aligning lines.
4. Offset Staff: Used for measuring short distances perpendicular to a survey line.
5. Theodolite: Used for measuring horizontal and vertical angles with high precision.

Crop Propagation

Crop propagation is the process of creating new plants from existing ones. It can be broadly classified into sexual and asexual methods.

Sexual Propagation

Involves the use of seeds, resulting from the fusion of male and female gametes. Examples of crops propagated sexually include maize, rice, beans, and most vegetables.

Advantages:

1. Produces new varieties with improved characteristics.
2. Easier for large-scale production.
3. Seeds are easy to store and transport.
4. Less prone to disease transmission from parent plant.

Disadvantages:

1. Offspring may not be true to type (genetic variation).
2. Longer time to maturity.
3. Some seeds have dormancy issues.

Asexual/Vegetative Propagation

Involves using vegetative parts of the plant (stems, leaves, roots) to produce new plants that are genetically identical to the parent. Examples include cassava (stem cuttings), yam (setts), sweet potato (vines), and plantain (suckers).

Methods of Asexual Propagation:

1. Cuttings: Using parts of stems, roots, or leaves.
2. Layering: Inducing roots on a stem while it is still attached to the parent plant.
3. Budding: Attaching a single bud from one plant (scion) to the stem of another (rootstock).
4. Grafting: Joining two plant parts (scion and rootstock) so they grow as one.
5. Suckers: New shoots arising from the base of the parent plant.

Advantages:

1. Offspring are true to type (clones).
2. Faster maturity and fruiting.
3. Useful for propagating plants that do not produce viable seeds.
4. Maintains desirable traits.

Disadvantages:

1. Can transmit diseases from parent plant.
2. Requires more skill and labour.
3. Propagating materials are bulky and difficult to transport.
4. Limited genetic diversity.

Soil Fertility and Management

Soil fertility refers to the ability of soil to supply essential plant nutrients and water in adequate amounts for plant growth and reproduction. Soil management practices aim to maintain or improve soil fertility.

Types of Fertilizers

1. Organic Fertilizers: Derived from plant and animal matter (e.g., farmyard manure, compost, green manure). They improve soil structure, water retention, and provide nutrients slowly.
2. Inorganic/Chemical Fertilizers: Manufactured chemical compounds containing specific plant nutrients (e.g., Urea, NPK, Superphosphate). They provide nutrients quickly and in concentrated forms.

Methods of Fertilizer Application

1. Broadcasting: Spreading fertilizer uniformly over the soil surface.
2. Placement: Applying fertilizer in bands or pockets near the plant roots.
3. Foliar Application: Spraying liquid fertilizer directly onto plant leaves.
4. Side Dressing: Applying fertilizer along the sides of crop rows after planting.

Pest and Disease Control

Pests are organisms that cause damage to crops, while diseases are abnormal conditions caused by pathogens (fungi, bacteria, viruses) that impair plant health.

Types of Pests

1. Insect Pests: E.g., grasshoppers, aphids, stem borers, weevils.
2. Vertebrate Pests: E.g., rats, birds, monkeys.
3. Nematodes: Microscopic roundworms that attack plant roots.
4. Weeds: Unwanted plants that compete with crops for resources.

Methods of Pest and Disease Control

1. Cultural Control: Practices like crop rotation, timely planting, sanitation, resistant varieties, trap cropping.
2. Chemical Control: Use of pesticides (insecticides, fungicides, herbicides) to kill or inhibit pests/pathogens.
3. Biological Control: Use of natural enemies (predators, parasites) to control pest populations.
4. Physical/Mechanical Control: Handpicking pests, trapping, weeding, pruning infected parts.

Horticultural Practices

These are specialized practices used in the cultivation of fruits, vegetables, and ornamental plants.

Examples of Horticultural Practices:

1. Pruning: Selective removal of plant parts (branches, buds, roots) to improve shape, yield, or health.
2. Staking: Providing support for climbing plants or plants with heavy fruits to prevent lodging.
3. Mulching: Covering the soil surface with organic or inorganic materials to conserve moisture, suppress weeds, and regulate soil temperature.
4. Thinning: Removing excess seedlings or fruits to reduce competition and improve the quality of remaining ones.
5. Training: Guiding the growth of plants into a desired shape or direction, often using stakes or trellises.

Teaching Methods/Instructional Techniques

Discussion, Question and Answer, Explanation, Review of Worked Examples, Guided Practice, Group Work

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Activating Prior Knowledge

Teacher’s Activity: The teacher welcomes students and explains that today’s lesson is a revision of key topics covered in the Third Term. The teacher asks students to briefly mention any topic they found challenging during the term.

Pupils’ Activity: Students respond by mentioning topics they found challenging.

Learning Point: Term topics recall

Step 2: Review of Farm Surveying and Planning

Time: 10 minutes

Teaching Skill: Explanation/Questioning

Teacher’s Activity: The teacher leads a discussion on Farm Surveying and Planning, asking students to define the terms, state their importance, and list common tools used. The teacher clarifies any misconceptions.

Pupils’ Activity: Students define terms, list importance and tools, and ask questions for clarification.

Learning Point: Farm surveying concepts

Step 3: Revision of Crop Propagation

Time: 10 minutes

Teaching Skill: Guided Recall

Teacher’s Activity: The teacher reviews Crop Propagation, differentiating between sexual and asexual methods. The teacher asks students to give examples of each method and state their advantages and disadvantages.

Pupils’ Activity: Students differentiate methods, provide examples, and state pros and cons.

Learning Point: Crop propagation methods

Step 4: Consolidation of Soil Fertility and Management

Time: 10 minutes

Teaching Skill: Reinforcement

Teacher’s Activity: The teacher guides students through a review of Soil Fertility and Management, focusing on types of fertilizers and methods of application. The teacher uses a quick Q&A session to check understanding.

Pupils’ Activity: Students answer questions on fertilizers and application methods.

Learning Point: Soil management practices

Step 5: Practice on Pest and Disease Control

Time: 10 minutes

Teaching Skill: Problem Solving

Teacher’s Activity: The teacher presents a few scenarios related to pest and disease problems in crops and asks students to suggest appropriate control methods, discussing the different types of pests and diseases.

Pupils’ Activity: Students analyze scenarios and suggest control methods.

Learning Point: Pest and disease control

Step 6: Review of Horticultural Practices

Time: 5 minutes

Teaching Skill: Application

Teacher’s Activity: The teacher asks students to describe various horticultural practices like pruning, staking, and mulching, explaining their importance in crop production.

Pupils’ Activity: Students describe practices and their importance.

Learning Point: Horticultural techniques

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. Mention two importance of farm surveying.
2. Differentiate between sexual and asexual propagation.
3. List two types of organic fertilizers.
4. State two cultural methods of pest control.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Term concepts assessed

Step 8: Conclusion

Time: 5 minutes

Teaching Skill: Consolidation

Teacher’s Activity: The teacher summarizes the main points of the revision, encourages students to continue studying their notes and textbooks, and wishes them success in their upcoming examinations.

Pupils’ Activity: Students listen attentively and ask any final questions.

Learning Point: Lesson consolidation

Lesson Keywords

• Farm Surveying – Measuring and mapping farm land.
• Crop Propagation – Creating new plants from existing ones.
• Sexual Propagation – Using seeds for reproduction.
• Asexual Propagation – Using vegetative parts for reproduction.
• Soil Fertility – Soil’s ability to supply plant nutrients.
• Organic Fertilizers – Derived from plant and animal matter.
• Inorganic Fertilizers – Manufactured chemical nutrients.
• Pests – Organisms damaging crops.
• Diseases – Abnormal plant conditions caused by pathogens.
• Pruning – Selective removal of plant parts.
• Mulching – Covering soil to conserve moisture.

Differentiation

For students who are struggling, the teacher will provide simplified explanations and focus on key definitions and examples. More advanced students will be challenged with complex problem-solving scenarios and encouraged to elaborate on the interconnections between different topics.

Suggested Lesson Videos

For further understanding, students can search YouTube for: SS1 Crop Production Horticulture revision Nigeria