SHS2 Agriculture · Semester 2 Week 5: Principles of Natural Resource Conservation in Agriculture

Lesson notes

Learning Objectives

Indicator: 2.3.2.LI.2 - Discuss the soil nutrients and their importance in crop production

By the end of the lesson, learners can:

Classify soil nutrients into macronutrients and micronutrients based on the quantities required by crops, giving examples of each group.
Explain the specific roles of nitrogen, phosphorus and potassium, and at least three micronutrients, in crop growth and development.
Identify and describe common deficiency symptoms of major soil nutrients as they appear on crop plants.
Match likely nutrient deficiencies to observed symptoms using pictures, video clips and real farm observations.
Justify, with reasons, why balanced soil nutrients are essential for crop yield and food security in Ghana.

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Curriculum details

Strand: Food Production and Natural Resource Conservation (Strand 3)
Sub-strand: Principles of Natural Resource Conservation in Agriculture (3.2)
Content standard: 2.3.2.CS.3 - Demonstrate knowledge, understanding and skills of soil nutrients, fertility and productivity 2.3.2.LO.3 Use the knowledge acquired to explain the role of soil nutrients in soil fertility and productivity in crop production.
Indicator: 2.3.2.LI.2 - Discuss the soil nutrients and their importance in crop production
Suggested placement: Semester 2, Week 5 (Week 25 of the year)
Our suggestion, laid out in curriculum order across three terms of twelve weeks. NaCCA does not fix the week, so follow your school's scheme of learning.
Curriculum reference: NaCCA curriculum document, p. 154

Exemplars (from the NaCCA curriculum)

Managing talk for learning: Brainstorm learners in mixed-ability groups to come up with examples, sources and importance of soil nutrients.
Collaborative learning: Learners in mixed-gender groups surf the internet for information on the classification and roles of soil nutrients. Learners in their groups discuss and make a presentation on their findings in class.
Experiential learning: Learners in gender-based groups visit a farm/watch videos/pictures to observe plants showing nutrient deficiency symptoms and discuss their observations. Learners prepare a table showing the nutrients and their deficiency symptoms. Teachers should make sure all learners take part in the class discussions and presentations.
Assessment (2.3.2.AS.2). The document marks these depth-of-knowledge levels for this indicator: Level 3 Strategic reasoning.
Teaching and Learning Resources:
- Sample of soils
- Measuring cylinder
- Filter paper
- Litmus paper
- Funnel
- Beaker
- Functional internet connectivity
- Video/pictures of plant nutrient deficiency symptoms