Second Term Crop Production and Horticulture revision for SS 1

Class: SS 1
Term: Second 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: Types of nurseries and Nursery management practices
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;

Psychomotor Domain

• apply the term’s knowledge and skills in written, oral or practical tasks.

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 Agricultural Science textbooks
• 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 from Weeks 1-10
• Approved Crop Production and Horticulture textbooks
• Past questions and revision exercises (e.g., WAEC/NECO past questions)
• Whiteboard/Chalkboard and markers/chalk
• Charts or diagrams of crop classification or farm tools (if available)

Rationale for the Lesson

This revision lesson is important for students to consolidate their understanding of the various topics covered in Crop Production and Horticulture during the Second Term. It helps reinforce learned concepts, address any misconceptions, and prepare students for upcoming assessments by allowing them to apply their knowledge and skills in practice.

Prerequisite/Previous Knowledge

Students should have a foundational understanding of all topics covered in Crop Production and Horticulture from Weeks 1-10 of the Second Term.

Lesson Content/Board Summary

Revision and Consolidation

Classification of Crops

Crops can be classified based on various criteria:

1. Life Cycle:
   • Annuals: Complete life cycle in one growing season (e.g., maize, rice).
   • Biennials: Complete life cycle in two growing seasons (e.g., carrot, onion).
   • Perennials: Live for more than two years (e.g., oil palm, cocoa).
2. Uses:
   • Cereals: Grains (e.g., millet, sorghum).
   • Legumes: Pulses (e.g., cowpea, groundnut).
   • Root and Tuber crops: Underground storage organs (e.g., yam, cassava).
   • Vegetables: Leaves, fruits, stems (e.g., spinach, tomato).
   • Fruits: Fleshy, seed-bearing structures (e.g., mango, orange).
   • Fibre crops: For textiles (e.g., cotton, jute).
   • Oil crops: For oil extraction (e.g., oil palm, groundnut).
3. Botanical Family:
   • Gramineae (Grasses): Maize, rice, guinea corn.
   • Leguminosae (Legumes): Cowpea, groundnut, soybean.
   • Solanaceae (Nightshades): Tomato, pepper, garden egg.
   • Malvaceae (Mallows): Cotton, okra.

Factors Affecting Crop Production

Crop production is influenced by several factors:

1. Climatic Factors:
   • Rainfall: Amount, distribution, intensity.
   • Temperature: Optimum range for growth.
   • Sunlight: Intensity and duration for photosynthesis.
   • Wind: Can aid pollination or cause lodging.
   • Humidity: Affects transpiration and disease spread.
2. Edaphic (Soil) Factors:
   • Soil texture: Sand, silt, clay content.
   • Soil structure: Arrangement of soil particles.
   • Soil pH: Acidity or alkalinity.
   • Soil fertility: Nutrient content.
   • Soil organic matter: Improves soil structure and water retention.
3. Biotic Factors:
   • Pests: Insects, nematodes, rodents.
   • Diseases: Fungi, bacteria, viruses.
   • Weeds: Compete with crops for resources.
   • Beneficial organisms: Pollinators, soil microbes.
4. Socio-economic Factors:
   • Capital: Availability of funds for inputs.
   • Labour: Availability and cost of farm workers.
   • Market: Demand and price for produce.
   • Government policies: Subsidies, land tenure.
   • Technology: Access to improved varieties, machinery.

Crop Propagation Methods

The process of increasing the number of plants:

1. Sexual Propagation:
   • Involves seeds.
   • Results in genetic variation.
   • Examples: Maize, rice, beans.
2. Asexual (Vegetative) Propagation:
   • Involves vegetative parts (stems, roots, leaves).
   • Produces genetically identical offspring (clones).
   • Examples:
     1. Stem cuttings (cassava, sugarcane).
     2. Root tubers (yam, sweet potato).
     3. Rhizomes (ginger, plantain).
     4. Suckers (banana, pineapple).
     5. Budding and grafting (citrus, mango).

Nursery Practices

Activities carried out in a nursery before transplanting:

1. Site selection: Well-drained, accessible, near water source.
2. Land preparation: Clearing, tilling, making beds.
3. Seed sowing: Proper depth and spacing.
4. Watering: Regular and adequate.
5. Shading: Protecting young seedlings from intense sun.
6. Pest and disease control: Early detection and treatment.
7. Hardening off: Gradually exposing seedlings to outdoor conditions.

Cultural Practices in Crop Production

Routine farm operations to ensure optimal crop growth:

1. Weeding: Removal of unwanted plants.
   • Methods: Manual, mechanical, chemical (herbicides).
2. Mulching: Covering the soil surface with organic or inorganic materials.
   • Benefits: Moisture retention, weed suppression, temperature regulation, soil erosion control.
3. Fertilizer Application: Adding nutrients to the soil.
   • Types: Organic (manure, compost), Inorganic (NPK, urea).
   • Methods: Broadcasting, banding, side dressing, foliar application.
4. Irrigation: Artificial application of water to crops.
   • Methods: Sprinkler, drip, furrow.
5. Pest and Disease Control: Managing organisms that harm crops.
   • Methods: Cultural, biological, chemical, resistant varieties.

Harvesting and Storage

Harvesting: The process of gathering mature crops from the field.

1. Timing: Crucial for yield and quality.
2. Methods: Manual (e.g., hand picking), Mechanical (e.g., combine harvester).

Storage: Keeping harvested produce in good condition until needed.

1. Importance: Reduces post-harvest losses, ensures food security, allows for market timing.
2. Methods:
   • Traditional: Barns, cribs, rhumbus, underground pits.
   • Modern: Cold storage, silos, warehouses.

Teaching Methods/Instructional Techniques

Discussion, Question and Answer, Explanation, Guided Practice, Review of Worked Examples, Problem Solving.

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Activating Prior Knowledge

Teacher’s Activity: The teacher welcomes the students and explains that the lesson is a revision of key topics covered during the Second Term in Crop Production and Horticulture. The teacher asks students to briefly mention one topic they found interesting or challenging.

Pupils’ Activity: Students respond by mentioning topics and preparing for the revision.

Learning Point: Term’s topic overview

Step 2: Review of Crop Classification

Time: 10 minutes

Teaching Skill: Recall and Explanation

Teacher’s Activity: The teacher leads a discussion on the different ways crops are classified (life cycle, uses, botanical family), asking students to provide examples for each category. The teacher clarifies any misconceptions.

Pupils’ Activity: Students recall and discuss crop classification, providing examples and asking questions for clarification.

Learning Point: Crop classification methods

Step 3: Discussion on Factors Affecting Crop Production

Time: 10 minutes

Teaching Skill: Guided Discussion

Teacher’s Activity: The teacher guides students to recall and explain the various factors affecting crop production (climatic, edaphic, biotic, socio-economic). The teacher prompts students to give specific examples of how each factor impacts crop yield.

Pupils’ Activity: Students discuss and explain the factors, giving examples and relating them to real-life farming scenarios.

Learning Point: Crop production factors

Step 4: Revision of Crop Propagation and Nursery Practices

Time: 10 minutes

Teaching Skill: Questioning and Elaboration

Teacher’s Activity: The teacher revises crop propagation methods (sexual and asexual) and the importance of nursery practices. The teacher asks students to list steps involved in setting up a nursery and caring for seedlings.

Pupils’ Activity: Students recall and explain propagation methods and nursery practices, listing key steps.

Learning Point: Propagation and nursery

Step 5: Reinforcement of Cultural Practices

Time: 10 minutes

Teaching Skill: Concept Reinforcement

Teacher’s Activity: The teacher focuses on common cultural practices such as weeding, mulching, fertilizer application, irrigation, and pest/disease control. The teacher asks students to explain the purpose and methods of each practice.

Pupils’ Activity: Students explain the purpose and methods of various cultural practices, providing examples.

Learning Point: Essential cultural practices

Step 6: Review of Harvesting and Storage

Time: 5 minutes

Teaching Skill: Summarisation

Teacher’s Activity: The teacher quickly reviews the concepts of harvesting and storage, emphasizing their importance in reducing post-harvest losses and ensuring food availability. The teacher asks students to mention different storage methods.

Pupils’ Activity: Students recall the importance of harvesting and storage, listing various methods.

Learning Point: Harvesting and storage

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. List three ways crops can be classified.
2. Mention two climatic factors and two edaphic factors affecting crop production.
3. Differentiate between sexual and asexual propagation, giving one example for each.
4. State three important cultural practices in crop production.

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Application of term’s knowledge

Step 8: Conclusion

Time: 5 minutes

Teaching Skill: Consolidation

Teacher’s Activity: The teacher summarises the key areas revised, encourages students to continue studying their notes and textbooks, and wishes them success in their upcoming assessments. The teacher addresses any final questions.

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

Learning Point: Term’s concepts consolidated

Lesson Keywords

• Classification – Grouping of crops based on shared characteristics.
• Propagation – Increasing the number of plants.
• Nursery – A place where young plants are raised before transplanting.
• Cultural practices – Farm operations to promote crop growth.
• Harvesting – Gathering mature crops.
• Storage – Preserving harvested produce.
• Edaphic factors – Soil-related factors.
• Biotic factors – Living organisms affecting crops.

Differentiation

For students who grasp concepts quickly, the teacher can provide more complex revision questions or ask them to explain how different factors interact. For students needing more support, the teacher can provide simplified notes or focus on one concept at a time, using visual aids or peer support.

Suggested Lesson Videos

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